164536672880 has 20 divisors (see below), whose sum is σ = 382547764632. Its totient is φ = 65814669120.

The previous prime is 164536672877. The next prime is 164536672921. The reversal of 164536672880 is 88276635461.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028354126 + ... + 1028354285.

Almost surely, 2^164536672880 is an apocalyptic number.

164536672880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164536672880 is an abundant number, since it is smaller than the sum of its proper divisors (218011091752).

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

164536672880 is a wasteful number, since it uses less digits than its factorization.

164536672880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056708424 (or 2056708418 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 164536672880 in words is "one hundred sixty-four billion, five hundred thirty-six million, six hundred seventy-two thousand, eight hundred eighty".