256112165612 has 48 divisors (see below), whose sum is σ = 462611224320. Its totient is φ = 124004865600.

The previous prime is 256112165609. The next prime is 256112165633. The reversal of 256112165612 is 216561211652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37776839 + ... + 37783617.

It is an arithmetic number, because the mean of its divisors is an integer number (9637733840).

Almost surely, 2^256112165612 is an apocalyptic number.

It is an amenable number.

256112165612 is a deficient number, since it is larger than the sum of its proper divisors (206499058708).

256112165612 is a wasteful number, since it uses less digits than its factorization.

256112165612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9222 (or 9220 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The spelling of 256112165612 in words is "two hundred fifty-six billion, one hundred twelve million, one hundred sixty-five thousand, six hundred twelve".