Fatto generale: 19664 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 19664 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 19664 is a boring number.
Data storica: November 1st is the day in 1946 that the New York Knicks played against the Toronto Huskies at the Maple Leaf Gardens, in the first Basketball Association of America game.