189407681180 has 12 divisors (see below), whose sum is σ = 397756130520. Its totient is φ = 75763072464.

The previous prime is 189407681171. The next prime is 189407681209. The reversal of 189407681180 is 81186704981.

189407681180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4735192010 + ... + 4735192049.

It is an arithmetic number, because the mean of its divisors is an integer number (33146344210).

Almost surely, 2^189407681180 is an apocalyptic number.

189407681180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189407681180 is an abundant number, since it is smaller than the sum of its proper divisors (208348449340).

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

189407681180 is a wasteful number, since it uses less digits than its factorization.

189407681180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9470384068 (or 9470384066 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 53.

The spelling of 189407681180 in words is "one hundred eighty-nine billion, four hundred seven million, six hundred eighty-one thousand, one hundred eighty".