656500615496 has 32 divisors (see below), whose sum is σ = 1344077729280. Its totient is φ = 298134801600.

The previous prime is 656500615481. The next prime is 656500615513. The reversal of 656500615496 is 694516005656.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3335915 + ... + 3527226.

It is an arithmetic number, because the mean of its divisors is an integer number (42002429040).

Almost surely, 2^656500615496 is an apocalyptic number.

It is an amenable number.

656500615496 is an abundant number, since it is smaller than the sum of its proper divisors (687577113784).

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

656500615496 is a wasteful number, since it uses less digits than its factorization.

656500615496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6864245 (or 6864241 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 656500615496 in words is "six hundred fifty-six billion, five hundred million, six hundred fifteen thousand, four hundred ninety-six".