189832913681640 has 128 divisors (see below), whose sum is σ = 594506055168000. Its totient is φ = 48401063870720.

The previous prime is 189832913681597. The next prime is 189832913681651. The reversal of 189832913681640 is 46186319238981.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7609440 + ... + 20918159.

It is an arithmetic number, because the mean of its divisors is an integer number (4644578556000).

Almost surely, 2^{189832913681640} is an apocalyptic number.

189832913681640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189832913681640 is an abundant number, since it is smaller than the sum of its proper divisors (404673141486360).

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

189832913681640 is a wasteful number, since it uses less digits than its factorization.

189832913681640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28530047 (or 28530043 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 69.

The spelling of 189832913681640 in words is "one hundred eighty-nine trillion, eight hundred thirty-two billion, nine hundred thirteen million, six hundred eighty-one thousand, six hundred forty".