165051 has 8 divisors (see below), whose sum is σ = 244560. Its totient is φ = 110016.

The previous prime is 165049. The next prime is 165059. The reversal of 165051 is 150561.

165051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165051 - 2¹ = 165049 is a prime.

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, 3030 + ... + 3083.

It is an arithmetic number, because the mean of its divisors is an integer number (30570).

2¹⁶⁵⁰⁵¹ is an apocalyptic number.

165051 is a deficient number, since it is larger than the sum of its proper divisors (79509).

165051 is an equidigital number, since it uses as much as digits as its factorization.

165051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6122 (or 6116 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 165051 is about 406.2646920420. The cubic root of 165051 is about 54.8537159550.

The spelling of 165051 in words is "one hundred sixty-five thousand, fifty-one".