265560216 has 16 divisors (see below), whose sum is σ = 663900600. Its totient is φ = 88520064.

The previous prime is 265560173. The next prime is 265560223. The reversal of 265560216 is 612065562.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5532481 + ... + 5532528.

Almost surely, 2^265560216 is an apocalyptic number.

It is an amenable number.

265560216 is an abundant number, since it is smaller than the sum of its proper divisors (398340384).

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

265560216 is a wasteful number, since it uses less digits than its factorization.

265560216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11065018 (or 11065014 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 265560216 is about 16296.0184094152. The cubic root of 265560216 is about 642.7681336800.

The spelling of 265560216 in words is "two hundred sixty-five million, five hundred sixty thousand, two hundred sixteen".