164189512 has 16 divisors (see below), whose sum is σ = 308563200. Its totient is φ = 81906000.

The previous prime is 164189497. The next prime is 164189551. The reversal of 164189512 is 215981461.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19864 + ... + 26887.

It is an arithmetic number, because the mean of its divisors is an integer number (19285200).

Almost surely, 2^164189512 is an apocalyptic number.

It is an amenable number.

164189512 is a deficient number, since it is larger than the sum of its proper divisors (144373688).

164189512 is a wasteful number, since it uses less digits than its factorization.

164189512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47196 (or 47192 counting only the distinct ones).

The product of its digits is 17280, while the sum is 37.

The square root of 164189512 is about 12813.6455390338. The cubic root of 164189512 is about 547.5811262644.

The spelling of 164189512 in words is "one hundred sixty-four million, one hundred eighty-nine thousand, five hundred twelve".