263255216 has 40 divisors (see below), whose sum is σ = 583724544. Its totient is φ = 112668480.

The previous prime is 263255207. The next prime is 263255221. The reversal of 263255216 is 612552362.

It is a super-3 number, since 3×263255216³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122471 + ... + 124601.

Almost surely, 2^263255216 is an apocalyptic number.

It is an amenable number.

263255216 is an abundant number, since it is smaller than the sum of its proper divisors (320469328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263255216 is a wasteful number, since it uses less digits than its factorization.

263255216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249 (or 3243 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 263255216 is about 16225.1414785819. The cubic root of 263255216 is about 640.9030351209.

The spelling of 263255216 in words is "two hundred sixty-three million, two hundred fifty-five thousand, two hundred sixteen".