164739604 has 12 divisors (see below), whose sum is σ = 298235700. Its totient is φ = 79529408.

The previous prime is 164739527. The next prime is 164739683. The reversal of 164739604 is 406937461.

It can be written as a sum of positive squares in 2 ways, for example, as 112148100 + 52591504 = 10590^2 + 7252^2 .

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 709969 + ... + 710200.

It is an arithmetic number, because the mean of its divisors is an integer number (24852975).

Almost surely, 2^164739604 is an apocalyptic number.

It is an amenable number.

164739604 is a deficient number, since it is larger than the sum of its proper divisors (133496096).

164739604 is a wasteful number, since it uses less digits than its factorization.

164739604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420202 (or 1420200 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 164739604 is about 12835.0926759412. The cubic root of 164739604 is about 548.1919736946.

The spelling of 164739604 in words is "one hundred sixty-four million, seven hundred thirty-nine thousand, six hundred four".