164393204 has 12 divisors (see below), whose sum is σ = 288197700. Its totient is φ = 82051008.

The previous prime is 164393123. The next prime is 164393219. The reversal of 164393204 is 402393461.

164393204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 25200400 + 139192804 = 5020^2 + 11798^2 .

It is a congruent number.

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, 33839 + ... + 38390.

It is an arithmetic number, because the mean of its divisors is an integer number (24016475).

Almost surely, 2^164393204 is an apocalyptic number.

It is an amenable number.

164393204 is a deficient number, since it is larger than the sum of its proper divisors (123804496).

164393204 is a wasteful number, since it uses less digits than its factorization.

164393204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72802 (or 72800 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 164393204 is about 12821.5913208931. The cubic root of 164393204 is about 547.8074740599.

The spelling of 164393204 in words is "one hundred sixty-four million, three hundred ninety-three thousand, two hundred four".