164978875 has 16 divisors (see below), whose sum is σ = 210921984. Its totient is φ = 128760000.

The previous prime is 164978867. The next prime is 164978887. The reversal of 164978875 is 578879461.

It is not a de Polignac number, because 164978875 - 2³ = 164978867 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, 10971 + ... + 21220.

It is an arithmetic number, because the mean of its divisors is an integer number (13182624).

Almost surely, 2^164978875 is an apocalyptic number.

164978875 is a deficient number, since it is larger than the sum of its proper divisors (45943109).

164978875 is an equidigital number, since it uses as much as digits as its factorization.

164978875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32247 (or 32237 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 55.

The square root of 164978875 is about 12844.4102628342. The cubic root of 164978875 is about 548.4572468627.

The spelling of 164978875 in words is "one hundred sixty-four million, nine hundred seventy-eight thousand, eight hundred seventy-five".