165970056 has 48 divisors (see below), whose sum is σ = 482671440. Its totient is φ = 47419680.

The previous prime is 165970043. The next prime is 165970109. The reversal of 165970056 is 650079561.

It is a junction number, because it is equal to n+sod(n) for n = 165969996 and 165970023.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69390 + ... + 71741.

It is an arithmetic number, because the mean of its divisors is an integer number (10055655).

Almost surely, 2^165970056 is an apocalyptic number.

It is an amenable number.

165970056 is an abundant number, since it is smaller than the sum of its proper divisors (316701384).

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

165970056 is a wasteful number, since it uses less digits than its factorization.

165970056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141154 (or 141143 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 165970056 is about 12882.9366217489. The cubic root of 165970056 is about 549.5534182048.

The spelling of 165970056 in words is "one hundred sixty-five million, nine hundred seventy thousand, fifty-six".