165012875 has 16 divisors (see below), whose sum is σ = 208847808. Its totient is φ = 130144000.

The previous prime is 165012839. The next prime is 165012889. The reversal of 165012875 is 578210561.

It is not a de Polignac number, because 165012875 - 2¹⁰ = 165011851 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422 + ... + 18171.

It is an arithmetic number, because the mean of its divisors is an integer number (13052988).

Almost surely, 2^165012875 is an apocalyptic number.

165012875 is a deficient number, since it is larger than the sum of its proper divisors (43834933).

165012875 is an equidigital number, since it uses as much as digits as its factorization.

165012875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18679 (or 18669 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 165012875 is about 12845.7337275844. The cubic root of 165012875 is about 548.4949209095.

The spelling of 165012875 in words is "one hundred sixty-five million, twelve thousand, eight hundred seventy-five".