165057 has 8 divisors (see below), whose sum is σ = 226176. Its totient is φ = 106992.

The previous prime is 165049. The next prime is 165059. The reversal of 165057 is 750561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165057 - 2³ = 165049 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 165057.

It is not an unprimeable number, because it can be changed into a prime (165059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633 + ... + 854.

It is an arithmetic number, because the mean of its divisors is an integer number (28272).

2¹⁶⁵⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

165057 is a deficient number, since it is larger than the sum of its proper divisors (61119).

165057 is a wasteful number, since it uses less digits than its factorization.

165057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 165057 is about 406.2720763232. The cubic root of 165057 is about 54.8543806350.

The spelling of 165057 in words is "one hundred sixty-five thousand, fifty-seven".