164968136 has 24 divisors (see below), whose sum is σ = 328585170. Its totient is φ = 77630976.

The previous prime is 164968117. The next prime is 164968147. The reversal of 164968136 is 631869461.

It is a happy number.

164968136 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 3 ways, for example, as 153611236 + 11356900 = 12394^2 + 3370^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33365 + ... + 37988.

Almost surely, 2^164968136 is an apocalyptic number.

It is an amenable number.

164968136 is a deficient number, since it is larger than the sum of its proper divisors (163617034).

164968136 is a wasteful number, since it uses less digits than its factorization.

164968136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71393 (or 71372 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 164968136 is about 12843.9922142611. The cubic root of 164968136 is about 548.4453463287.

The spelling of 164968136 in words is "one hundred sixty-four million, nine hundred sixty-eight thousand, one hundred thirty-six".