164507307872 has 24 divisors (see below), whose sum is σ = 332627109696. Its totient is φ = 80030581632.

The previous prime is 164507307847. The next prime is 164507307901. The reversal of 164507307872 is 278703705461.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 164507307872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69469808 + ... + 69472175.

It is an arithmetic number, because the mean of its divisors is an integer number (13859462904).

Almost surely, 2^164507307872 is an apocalyptic number.

It is an amenable number.

164507307872 is an abundant number, since it is smaller than the sum of its proper divisors (168119801824).

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

164507307872 is a wasteful number, since it uses less digits than its factorization.

164507307872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138942030 (or 138942022 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 164507307872 in words is "one hundred sixty-four billion, five hundred seven million, three hundred seven thousand, eight hundred seventy-two".