Fait général: 2616 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 2616 is the number of graphs with 9 vertices and 6 cycles.
Culture générale: 2616 is a boring number.
Date historique: February 28th is the day in 1958 that a school bus in Floyd County, Kentucky hits a wrecker truck and plunges down an embankment into the rain-swollen Levisa Fork River.