256333163160 has 32 divisors (see below), whose sum is σ = 768999489840. Its totient is φ = 68355510144.

The previous prime is 256333163143. The next prime is 256333163213. The reversal of 256333163160 is 61361333652.

It is a super-2 number, since 2×256333163160² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1068054727 + ... + 1068054966.

Almost surely, 2^256333163160 is an apocalyptic number.

256333163160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256333163160 is an abundant number, since it is smaller than the sum of its proper divisors (512666326680).

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

256333163160 is a wasteful number, since it uses less digits than its factorization.

256333163160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136109707 (or 2136109703 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 39.

The spelling of 256333163160 in words is "two hundred fifty-six billion, three hundred thirty-three million, one hundred sixty-three thousand, one hundred sixty".