231669855046656 has 1408 divisors, whose sum is σ = 775392765638400. Its totient is φ = 67837309747200.

The previous prime is 231669855046607. The next prime is 231669855046681. The reversal of 231669855046656 is 656640558966132.

231669855046656 is a `hidden beast` number, since 2 + 3 + 1 + 6 + 6 + 9 + 8 + 5 + 504 + 66 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 354777725626 + ... + 354777726278.

Almost surely, 2^{231669855046656} is an apocalyptic number.

231669855046656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231669855046656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387696382819200).

231669855046656 is an abundant number, since it is smaller than the sum of its proper divisors (543722910591744).

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

231669855046656 is a wasteful number, since it uses less digits than its factorization.

231669855046656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 1679616000, while the sum is 72.

The spelling of 231669855046656 in words is "two hundred thirty-one trillion, six hundred sixty-nine billion, eight hundred fifty-five million, forty-six thousand, six hundred fifty-six".