164503727976 has 64 divisors (see below), whose sum is σ = 486217929600. Its totient is φ = 45380337408.

The previous prime is 164503727959. The next prime is 164503727987. The reversal of 164503727976 is 679727305461.

It is a super-2 number, since 2×164503727976² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16877695 + ... + 16887438.

It is an arithmetic number, because the mean of its divisors is an integer number (7597155150).

Almost surely, 2^164503727976 is an apocalyptic number.

It is an amenable number.

164503727976 is an abundant number, since it is smaller than the sum of its proper divisors (321714201624).

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

164503727976 is a wasteful number, since it uses less digits than its factorization.

164503727976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33765178 (or 33765174 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 57.

The spelling of 164503727976 in words is "one hundred sixty-four billion, five hundred three million, seven hundred twenty-seven thousand, nine hundred seventy-six".