916538560 has 224 divisors, whose sum is σ = 2626449408. Its totient is φ = 298045440.

The previous prime is 916538537. The next prime is 916538633. The reversal of 916538560 is 65835619.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4652382 + ... + 4652578.

Almost surely, 2^916538560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 916538560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313224704).

916538560 is an abundant number, since it is smaller than the sum of its proper divisors (1709910848).

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

916538560 is a wasteful number, since it uses less digits than its factorization.

916538560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 916538560 is about 30274.3878550830. The cubic root of 916538560 is about 971.3675259052.

The spelling of 916538560 in words is "nine hundred sixteen million, five hundred thirty-eight thousand, five hundred sixty".