188081796 has 72 divisors (see below), whose sum is σ = 515725056. Its totient is φ = 53188800.

The previous prime is 188081771. The next prime is 188081821. The reversal of 188081796 is 697180881.

188081796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (188081771) and next prime (188081821).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57805 + ... + 60971.

It is an arithmetic number, because the mean of its divisors is an integer number (7162848).

Almost surely, 2^188081796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188081796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257862528).

188081796 is an abundant number, since it is smaller than the sum of its proper divisors (327643260).

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

188081796 is a wasteful number, since it uses less digits than its factorization.

188081796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289 (or 3280 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 48.

The square root of 188081796 is about 13714.2916696416. The cubic root of 188081796 is about 572.9485012910.

The spelling of 188081796 in words is "one hundred eighty-eight million, eighty-one thousand, seven hundred ninety-six".