164634604 has 6 divisors (see below), whose sum is σ = 288110564. Its totient is φ = 82317300.

The previous prime is 164634599. The next prime is 164634607. The reversal of 164634604 is 406436461.

It is a self number, because there is not a number n which added to its sum of digits gives 164634604.

It is not an unprimeable number, because it can be changed into a prime (164634607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20579322 + ... + 20579329.

Almost surely, 2^164634604 is an apocalyptic number.

It is an amenable number.

164634604 is a deficient number, since it is larger than the sum of its proper divisors (123475960).

164634604 is a wasteful number, since it uses less digits than its factorization.

164634604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41158655 (or 41158653 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 164634604 is about 12831.0016756292. The cubic root of 164634604 is about 548.0754819925.

The spelling of 164634604 in words is "one hundred sixty-four million, six hundred thirty-four thousand, six hundred four".