Hecho general: 1636 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 1636 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 1636 is an unremarkable number.
Fecha histórica: June 23rd is the day in 1931 that Wiley Post and Harold Gatty take off from Roosevelt Field, Long Island in an attempt to circumnavigate the world in a single-engine plane.