188533113616 has 45 divisors (see below), whose sum is σ = 370604558901. Its totient is φ = 92912708736.

The previous prime is 188533113589. The next prime is 188533113649. The reversal of 188533113616 is 616311335881.

The square root of 188533113616 is 434204.

It is a perfect power (a square), and thus also a powerful number.

188533113616 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 107020579600 + 81512534016 = 327140^2 + 285504^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 126786825 + ... + 126788311.

Almost surely, 2^188533113616 is an apocalyptic number.

188533113616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

188533113616 is the 434204-th square number.

It is an amenable number.

188533113616 is a deficient number, since it is larger than the sum of its proper divisors (182071445285).

188533113616 is an frugal number, since it uses more digits than its factorization.

188533113616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128 (or 1562 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The spelling of 188533113616 in words is "one hundred eighty-eight billion, five hundred thirty-three million, one hundred thirteen thousand, six hundred sixteen".