165016875 has 80 divisors (see below), whose sum is σ = 302303232. Its totient is φ = 79680000.

The previous prime is 165016867. The next prime is 165016883. The reversal of 165016875 is 578610561.

It is an interprime number because it is at equal distance from previous prime (165016867) and next prime (165016883).

It is not a de Polignac number, because 165016875 - 2³ = 165016867 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 988042 + ... + 988208.

Almost surely, 2^165016875 is an apocalyptic number.

165016875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165016875 is a deficient number, since it is larger than the sum of its proper divisors (137286357).

165016875 is a wasteful number, since it uses less digits than its factorization.

165016875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 165016875 is about 12845.8894203554. The cubic root of 165016875 is about 548.4993528100.

The spelling of 165016875 in words is "one hundred sixty-five million, sixteen thousand, eight hundred seventy-five".