188068938768 has 60 divisors (see below), whose sum is σ = 526431484800. Its totient is φ = 62677775808.

The previous prime is 188068938737. The next prime is 188068938817. The reversal of 188068938768 is 867839860881.

188068938768 is a `hidden beast` number, since 188 + 0 + 6 + 8 + 9 + 387 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 188068938696 and 188068938705.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 656505 + ... + 898407.

It is an arithmetic number, because the mean of its divisors is an integer number (8773858080).

Almost surely, 2^188068938768 is an apocalyptic number.

188068938768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

188068938768 is an abundant number, since it is smaller than the sum of its proper divisors (338362546032).

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

188068938768 is a wasteful number, since it uses less digits than its factorization.

188068938768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247316 (or 247307 counting only the distinct ones).

The product of its (nonzero) digits is 222953472, while the sum is 72.

The spelling of 188068938768 in words is "one hundred eighty-eight billion, sixty-eight million, nine hundred thirty-eight thousand, seven hundred sixty-eight".