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FILE NO. 333-28537
RULE 424(B)(3)
PROSPECTUS SUPPLEMENT
(TO PROSPECTUS DATED JULY 7, 1997)
(TO PROSPECTUS SUPPLEMENT DATED JULY 7, 1997)
PROSPECTUS NUMBER: 1642
DATED: JANUARY 20, 1998
MERRILL LYNCH & CO., INC.
MEDIUM-TERM NOTES, SERIES B
DUE NINE MONTHS OR MORE FROM DATE OF ISSUE
FLOATING RATE NOTES
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<S> <C>
BASE RATE: Prime (Prior Day H.15)
INDEX MATURITY: One Day
TRADE DATE: January 20, 1998
SETTLEMENT DATE: January 23, 1998
MATURITY DATE: January 26, 1999
REDEMPTION DATE: N/A
OPTIONAL REPAYMENT DATES: N/A
SPREAD: -2.890%
(Minus two hundred eighty nine bps)
SPREAD MULTIPLIER: N/A
COMMISSION: 0.075%
MAXIMUM INTEREST RATE: N/A
MINIMUM INTEREST RATE: N/A
INTEREST RESET DATES: Daily
INTEREST PAYMENT DATES: The 26th of April, July, October 1998 and Maturity, subject to Following
Business Day Convention.
INITIAL INTEREST RATE: TBD, 1/23/98
FORM: Book-entry
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CUSIP # 59018SZP2
PRINCIPAL $100,000,000.00