916564920 has 64 divisors (see below), whose sum is σ = 2751870240. Its totient is φ = 244224000.

The previous prime is 916564919. The next prime is 916564951. The reversal of 916564920 is 29465619.

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 15 ways as a sum of consecutive naturals, for example, 214000 + ... + 218240.

Almost surely, 2^916564920 is an apocalyptic number.

It is an amenable number.

916564920 is an abundant number, since it is smaller than the sum of its proper divisors (1835305320).

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

916564920 is a wasteful number, since it uses less digits than its factorization.

916564920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056 (or 6052 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 916564920 is about 30274.8232034474. The cubic root of 916564920 is about 971.3768381166.

The spelling of 916564920 in words is "nine hundred sixteen million, five hundred sixty-four thousand, nine hundred twenty".