165100053 has 8 divisors (see below), whose sum is σ = 220218400. Its totient is φ = 110024208.

The previous prime is 165100043. The next prime is 165100087. The reversal of 165100053 is 350001561.

It is a happy number.

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

It is not a de Polignac number, because 165100053 - 2⁵ = 165100021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165100043) 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, 58 + ... + 18171.

It is an arithmetic number, because the mean of its divisors is an integer number (27527300).

Almost surely, 2^165100053 is an apocalyptic number.

It is an amenable number.

165100053 is a deficient number, since it is larger than the sum of its proper divisors (55118347).

165100053 is a wasteful number, since it uses less digits than its factorization.

165100053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21251.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 165100053 is about 12849.1265461898. The cubic root of 165100053 is about 548.5914957414.

The spelling of 165100053 in words is "one hundred sixty-five million, one hundred thousand, fifty-three".