164605624996 has 6 divisors (see below), whose sum is σ = 288059843750. Its totient is φ = 82302812496.

The previous prime is 164605624987. The next prime is 164605625003. The reversal of 164605624996 is 699426506461.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 115658487396 + 48947137600 = 340086^2 + 221240^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 164605624996.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20575703121 + ... + 20575703128.

Almost surely, 2^164605624996 is an apocalyptic number.

It is an amenable number.

164605624996 is a deficient number, since it is larger than the sum of its proper divisors (123454218754).

164605624996 is a wasteful number, since it uses less digits than its factorization.

164605624996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41151406253 (or 41151406251 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 164605624996 in words is "one hundred sixty-four billion, six hundred five million, six hundred twenty-four thousand, nine hundred ninety-six".