165852875 has 8 divisors (see below), whose sum is σ = 206984544. Its totient is φ = 132682200.

The previous prime is 165852859. The next prime is 165852887. The reversal of 165852875 is 578258561.

It is a happy number.

It is not a de Polignac number, because 165852875 - 2⁴ = 165852859 is a prime.

It is a super-2 number, since 2×165852875² = 55014352291531250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663287 + ... + 663536.

It is an arithmetic number, because the mean of its divisors is an integer number (25873068).

Almost surely, 2^165852875 is an apocalyptic number.

165852875 is a deficient number, since it is larger than the sum of its proper divisors (41131669).

165852875 is an equidigital number, since it uses as much as digits as its factorization.

165852875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326838 (or 1326828 counting only the distinct ones).

The product of its digits is 672000, while the sum is 47.

The square root of 165852875 is about 12878.3879037712. The cubic root of 165852875 is about 549.4240527393.

The spelling of 165852875 in words is "one hundred sixty-five million, eight hundred fifty-two thousand, eight hundred seventy-five".