180983329056 has 72 divisors (see below), whose sum is σ = 517110716304. Its totient is φ = 60041842560.

The previous prime is 180983329031. The next prime is 180983329057. The reversal of 180983329056 is 650923389081.

180983329056 is a `hidden beast` number, since 180 + 98 + 3 + 329 + 0 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×180983329056² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 180983328993 and 180983329011.

It is not an unprimeable number, because it can be changed into a prime (180983329057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1428366 + ... + 1549901.

It is an arithmetic number, because the mean of its divisors is an integer number (7182093282).

Almost surely, 2^180983329056 is an apocalyptic number.

180983329056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

180983329056 is an abundant number, since it is smaller than the sum of its proper divisors (336127387248).

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

180983329056 is a wasteful number, since it uses less digits than its factorization.

180983329056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978494 (or 2978483 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 180983329056 in words is "one hundred eighty billion, nine hundred eighty-three million, three hundred twenty-nine thousand, fifty-six".