256167230976 has 60 divisors (see below), whose sum is σ = 739315986552. Its totient is φ = 85389075456.

The previous prime is 256167230959. The next prime is 256167231007. The reversal of 256167230976 is 679032761652.

256167230976 is a `hidden beast` number, since 2 + 561 + 6 + 7 + 2 + 3 + 0 + 9 + 76 = 666.

It is a super-2 number, since 2×256167230976² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27791316 + ... + 27800531.

Almost surely, 2^256167230976 is an apocalyptic number.

It is an amenable number.

256167230976 is an abundant number, since it is smaller than the sum of its proper divisors (483148755576).

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

256167230976 is an equidigital number, since it uses as much as digits as its factorization.

256167230976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55591871 (or 55591852 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 256167230976 in words is "two hundred fifty-six billion, one hundred sixty-seven million, two hundred thirty thousand, nine hundred seventy-six".