164331875 has 20 divisors (see below), whose sum is σ = 206390184. Its totient is φ = 130800000.

The previous prime is 164331863. The next prime is 164331887. The reversal of 164331875 is 578133461.

It is an interprime number because it is at equal distance from previous prime (164331863) and next prime (164331887).

It is not a de Polignac number, because 164331875 - 2¹⁰ = 164330851 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

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 19 ways as a sum of consecutive naturals, for example, 150080 + ... + 151170.

Almost surely, 2^164331875 is an apocalyptic number.

164331875 is a deficient number, since it is larger than the sum of its proper divisors (42058309).

164331875 is an equidigital number, since it uses as much as digits as its factorization.

164331875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 1337 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 164331875 is about 12819.1994679855. The cubic root of 164331875 is about 547.7393433779.

The spelling of 164331875 in words is "one hundred sixty-four million, three hundred thirty-one thousand, eight hundred seventy-five".