Fatto generale: 61614 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 61614 is an uninteresting number.
Trivia: 61614 is an unremarkable number.
Data storica: September 9th is the day in 1922 that the Greco-Turkish War of 1919-1922 effectively ends with Turkish victory over the Greeks in Smyrna.