180972656176 has 40 divisors (see below), whose sum is σ = 377921339264. Its totient is φ = 83456179200.

The previous prime is 180972656167. The next prime is 180972656197. The reversal of 180972656176 is 671656279081.

It is a super-2 number, since 2×180972656176² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 180972656176.

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 7 ways as a sum of consecutive naturals, for example, 112416 + ... + 612031.

Almost surely, 2^180972656176 is an apocalyptic number.

180972656176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

180972656176 is an abundant number, since it is smaller than the sum of its proper divisors (196948683088).

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

180972656176 is a wasteful number, since it uses less digits than its factorization.

180972656176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725669 (or 725663 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 58.

The spelling of 180972656176 in words is "one hundred eighty billion, nine hundred seventy-two million, six hundred fifty-six thousand, one hundred seventy-six".