164860875 has 24 divisors (see below), whose sum is σ = 297191232. Its totient is φ = 87925200.

The previous prime is 164860867. The next prime is 164860879. The reversal of 164860875 is 578068461.

It is a happy number.

It is not a de Polignac number, because 164860875 - 2³ = 164860867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 164860875.

It is not an unprimeable number, because it can be changed into a prime (164860879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72147 + ... + 74396.

It is an arithmetic number, because the mean of its divisors is an integer number (12382968).

Almost surely, 2^164860875 is an apocalyptic number.

164860875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164860875 is a deficient number, since it is larger than the sum of its proper divisors (132330357).

164860875 is a wasteful number, since it uses less digits than its factorization.

164860875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146564 (or 146551 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 164860875 is about 12839.8160033546. The cubic root of 164860875 is about 548.3264555903.

The spelling of 164860875 in words is "one hundred sixty-four million, eight hundred sixty thousand, eight hundred seventy-five".