188996788032 has 224 divisors, whose sum is σ = 557748301824. Its totient is φ = 56111462400.

The previous prime is 188996788021. The next prime is 188996788033. The reversal of 188996788032 is 230887699881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188996788033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8317807 + ... + 8340497.

It is an arithmetic number, because the mean of its divisors is an integer number (2489947776).

Almost surely, 2^188996788032 is an apocalyptic number.

188996788032 is a gapful number since it is divisible by the number (12) 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 188996788032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278874150912).

188996788032 is an abundant number, since it is smaller than the sum of its proper divisors (368751513792).

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

188996788032 is a wasteful number, since it uses less digits than its factorization.

188996788032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22837 (or 22827 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 69.

The spelling of 188996788032 in words is "one hundred eighty-eight billion, nine hundred ninety-six million, seven hundred eighty-eight thousand, thirty-two".