188047118736 has 45 divisors (see below), whose sum is σ = 526285319521. Its totient is φ = 62680638336.

The previous prime is 188047118729. The next prime is 188047118747. The reversal of 188047118736 is 637811740881.

The square root of 188047118736 is 433644.

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

188047118736 is a `hidden beast` number, since 18 + 80 + 471 + 1 + 87 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 112452915600 + 75594203136 = 335340^2 + 274944^2 .

It is a super-2 number, since 2×188047118736² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5185660 + ... + 5221796.

Almost surely, 2^188047118736 is an apocalyptic number.

188047118736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

188047118736 is the 433644-th square number.

It is an amenable number.

188047118736 is an abundant number, since it is smaller than the sum of its proper divisors (338238200785).

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

188047118736 is an frugal number, since it uses more digits than its factorization.

188047118736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72288 (or 36142 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 54.

The spelling of 188047118736 in words is "one hundred eighty-eight billion, forty-seven million, one hundred eighteen thousand, seven hundred thirty-six".