164272574624 has 48 divisors (see below), whose sum is σ = 328411440000. Its totient is φ = 80867787264.

The previous prime is 164272574621. The next prime is 164272574651. The reversal of 164272574624 is 426475272461.

It is not an unprimeable number, because it can be changed into a prime (164272574621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4266692 + ... + 4305020.

It is an arithmetic number, because the mean of its divisors is an integer number (6841905000).

Almost surely, 2^164272574624 is an apocalyptic number.

It is an amenable number.

164272574624 is a deficient number, since it is larger than the sum of its proper divisors (164138865376).

164272574624 is a wasteful number, since it uses less digits than its factorization.

164272574624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40405 (or 40397 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 50.

The spelling of 164272574624 in words is "one hundred sixty-four billion, two hundred seventy-two million, five hundred seventy-four thousand, six hundred twenty-four".