188738116 has 12 divisors (see below), whose sum is σ = 377476288. Its totient is φ = 80887752.

The previous prime is 188738111. The next prime is 188738159. The reversal of 188738116 is 611837881.

188738116 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (188738111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3370296 + ... + 3370351.

Almost surely, 2^188738116 is an apocalyptic number.

It is an amenable number.

188738116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

188738116 is a wasteful number, since it uses less digits than its factorization.

188738116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740658 (or 6740656 counting only the distinct ones).

The product of its digits is 64512, while the sum is 43.

The square root of 188738116 is about 13738.1991541832. The cubic root of 188738116 is about 573.6141708991.

The spelling of 188738116 in words is "one hundred eighty-eight million, seven hundred thirty-eight thousand, one hundred sixteen".