163785875 has 32 divisors (see below), whose sum is σ = 232727040. Its totient is φ = 113916000.

The previous prime is 163785859. The next prime is 163785887. The reversal of 163785875 is 578587361.

It is not a de Polignac number, because 163785875 - 2⁴ = 163785859 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29036 + ... + 34214.

It is an arithmetic number, because the mean of its divisors is an integer number (7272720).

Almost surely, 2^163785875 is an apocalyptic number.

163785875 is a deficient number, since it is larger than the sum of its proper divisors (68941165).

163785875 is a wasteful number, since it uses less digits than its factorization.

163785875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5228 (or 5218 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 50.

The square root of 163785875 is about 12797.8855675459. The cubic root of 163785875 is about 547.1320408001.

The spelling of 163785875 in words is "one hundred sixty-three million, seven hundred eighty-five thousand, eight hundred seventy-five".