188796797568 has 256 divisors, whose sum is σ = 585910195200. Its totient is φ = 59733273600.

The previous prime is 188796797491. The next prime is 188796797593. The reversal of 188796797568 is 865797697881.

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, 10403863 + ... + 10421993.

It is an arithmetic number, because the mean of its divisors is an integer number (2288711700).

Almost surely, 2^188796797568 is an apocalyptic number.

188796797568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188796797568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292955097600).

188796797568 is an abundant number, since it is smaller than the sum of its proper divisors (397113397632).

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

188796797568 is a wasteful number, since it uses less digits than its factorization.

188796797568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18308 (or 18290 counting only the distinct ones).

The product of its digits is 2560481280, while the sum is 81.

The spelling of 188796797568 in words is "one hundred eighty-eight billion, seven hundred ninety-six million, seven hundred ninety-seven thousand, five hundred sixty-eight".