164712051 has 24 divisors (see below), whose sum is σ = 272480000. Its totient is φ = 93922416.

The previous prime is 164712043. The next prime is 164712091. The reversal of 164712051 is 150217461.

It is a happy number.

164712051 is a `hidden beast` number, since 1 + 647 + 12 + 0 + 5 + 1 = 666.

It is not a de Polignac number, because 164712051 - 2³ = 164712043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164712091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30450 + ... + 35448.

Almost surely, 2^164712051 is an apocalyptic number.

164712051 is a deficient number, since it is larger than the sum of its proper divisors (107767949).

164712051 is a wasteful number, since it uses less digits than its factorization.

164712051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535 (or 5532 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 164712051 is about 12834.0192846980. The cubic root of 164712051 is about 548.1614099539.

The spelling of 164712051 in words is "one hundred sixty-four million, seven hundred twelve thousand, fifty-one".