164938164 has 24 divisors (see below), whose sum is σ = 405111840. Its totient is φ = 52085664.

The previous prime is 164938141. The next prime is 164938201. The reversal of 164938164 is 461839461.

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 7 ways as a sum of consecutive naturals, for example, 361479 + ... + 361934.

It is an arithmetic number, because the mean of its divisors is an integer number (16879660).

Almost surely, 2^164938164 is an apocalyptic number.

It is an amenable number.

164938164 is an abundant number, since it is smaller than the sum of its proper divisors (240173676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164938164 is a wasteful number, since it uses less digits than its factorization.

164938164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723439 (or 723437 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 164938164 is about 12842.8253900767. The cubic root of 164938164 is about 548.4121298140.

The spelling of 164938164 in words is "one hundred sixty-four million, nine hundred thirty-eight thousand, one hundred sixty-four".