164572475013 has 6 divisors (see below), whose sum is σ = 237715797254. Its totient is φ = 109714983336.

The previous prime is 164572474943. The next prime is 164572475071. The reversal of 164572475013 is 310574275461.

164572475013 is a `hidden beast` number, since 1 + 6 + 4 + 572 + 4 + 75 + 0 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 118871869284 + 45700605729 = 344778^2 + 213777^2 .

It is not a de Polignac number, because 164572475013 - 2⁹ = 164572474501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164572475013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164572475083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9142915270 + ... + 9142915287.

Almost surely, 2^164572475013 is an apocalyptic number.

It is an amenable number.

164572475013 is a deficient number, since it is larger than the sum of its proper divisors (73143322241).

164572475013 is a wasteful number, since it uses less digits than its factorization.

164572475013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18285830563 (or 18285830560 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 164572475013 in words is "one hundred sixty-four billion, five hundred seventy-two million, four hundred seventy-five thousand, thirteen".