165057161010170 has 128 divisors (see below), whose sum is σ = 376779083466240. Its totient is φ = 51167529262080.

The previous prime is 165057161010107. The next prime is 165057161010191. The reversal of 165057161010170 is 71010161750561.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85571369 + ... + 87478988.

It is an arithmetic number, because the mean of its divisors is an integer number (2943586589580).

Almost surely, 2^{165057161010170} is an apocalyptic number.

165057161010170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165057161010170 is an abundant number, since it is smaller than the sum of its proper divisors (211721922456070).

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

165057161010170 is a wasteful number, since it uses less digits than its factorization.

165057161010170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173050440.

The product of its (nonzero) digits is 44100, while the sum is 41.

The spelling of 165057161010170 in words is "one hundred sixty-five trillion, fifty-seven billion, one hundred sixty-one million, ten thousand, one hundred seventy".