165151116600256 has 56 divisors (see below), whose sum is σ = 340726128300000. Its totient is φ = 79327481232384.

The previous prime is 165151116600103. The next prime is 165151116600299. The reversal of 165151116600256 is 652006611151561.

It is a super-2 number, since 2×165151116600256² (a number of 29 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, 223204231 + ... + 223942918.

Almost surely, 2^{165151116600256} is an apocalyptic number.

165151116600256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165151116600256 is an abundant number, since it is smaller than the sum of its proper divisors (175575011699744).

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

165151116600256 is a wasteful number, since it uses less digits than its factorization.

165151116600256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447147389 (or 447147379 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 46.

The spelling of 165151116600256 in words is "one hundred sixty-five trillion, one hundred fifty-one billion, one hundred sixteen million, six hundred thousand, two hundred fifty-six".