Fait général: 6615 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 6615 is an odd abundant number.
Culture générale: 6615 is an uninteresting number.
Date historique: February 9th is the day in 1964 that the Beatles make their first appearance on The Ed Sullivan Show, performing before a "record-busting" audience of 73 million viewers.