188529133268 has 18 divisors (see below), whose sum is σ = 383791450266. Its totient is φ = 80798199888.

The previous prime is 188529133253. The next prime is 188529133277. The reversal of 188529133268 is 862331925881.

It is a happy number.

188529133268 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., 118678872004 + 69850261264 = 344498^2 + 264292^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 480941471 + ... + 480941862.

It is an arithmetic number, because the mean of its divisors is an integer number (21321747237).

Almost surely, 2^188529133268 is an apocalyptic number.

It is an amenable number.

188529133268 is an abundant number, since it is smaller than the sum of its proper divisors (195262316998).

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

188529133268 is a wasteful number, since it uses less digits than its factorization.

188529133268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961883351 (or 961883342 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 56.

The spelling of 188529133268 in words is "one hundred eighty-eight billion, five hundred twenty-nine million, one hundred thirty-three thousand, two hundred sixty-eight".