164472916 has 6 divisors (see below), whose sum is σ = 287827610. Its totient is φ = 82236456.

The previous prime is 164472877. The next prime is 164472923. The reversal of 164472916 is 619274461.

It can be written as a sum of positive squares in only one way, i.e., 124099600 + 40373316 = 11140^2 + 6354^2 .

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 as a sum of consecutive naturals, namely, 20559111 + ... + 20559118.

Almost surely, 2^164472916 is an apocalyptic number.

It is an amenable number.

164472916 is a deficient number, since it is larger than the sum of its proper divisors (123354694).

164472916 is a wasteful number, since it uses less digits than its factorization.

164472916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41118233 (or 41118231 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 164472916 is about 12824.6994506694. The cubic root of 164472916 is about 547.8960011855.

The spelling of 164472916 in words is "one hundred sixty-four million, four hundred seventy-two thousand, nine hundred sixteen".