331656895836 has 72 divisors (see below), whose sum is σ = 991158561120. Its totient is φ = 91491555456.

The previous prime is 331656895831. The next prime is 331656895837. The reversal of 331656895836 is 638598656133.

331656895836 is a `hidden beast` number, since 3 + 3 + 16 + 568 + 9 + 58 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331656895831) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 22684051 + ... + 22698666.

Almost surely, 2^331656895836 is an apocalyptic number.

331656895836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

331656895836 is an abundant number, since it is smaller than the sum of its proper divisors (659501665284).

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

331656895836 is a wasteful number, since it uses less digits than its factorization.

331656895836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45382763 (or 45382758 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 63.

The spelling of 331656895836 in words is "three hundred thirty-one billion, six hundred fifty-six million, eight hundred ninety-five thousand, eight hundred thirty-six".