189372958660 has 24 divisors (see below), whose sum is σ = 397982954880. Its totient is φ = 75692089824.

The previous prime is 189372958657. The next prime is 189372958711. The reversal of 189372958660 is 66859273981.

It is a junction number, because it is equal to n+sod(n) for n = 189372958592 and 189372958601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3541150 + ... + 3594229.

It is an arithmetic number, because the mean of its divisors is an integer number (16582623120).

Almost surely, 2^189372958660 is an apocalyptic number.

189372958660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189372958660 is an abundant number, since it is smaller than the sum of its proper divisors (208609996220).

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

189372958660 is a wasteful number, since it uses less digits than its factorization.

189372958660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136715 (or 7136713 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 189372958660 in words is "one hundred eighty-nine billion, three hundred seventy-two million, nine hundred fifty-eight thousand, six hundred sixty".