188518427356 has 18 divisors (see below), whose sum is σ = 383769656088. Its totient is φ = 80793611640.

The previous prime is 188518427341. The next prime is 188518427393. The reversal of 188518427356 is 653724815881.

It is a self number, because there is not a number n which added to its sum of digits gives 188518427356.

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, 480914160 + ... + 480914551.

Almost surely, 2^188518427356 is an apocalyptic number.

It is an amenable number.

188518427356 is an abundant number, since it is smaller than the sum of its proper divisors (195251228732).

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

188518427356 is a wasteful number, since it uses less digits than its factorization.

188518427356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961828729 (or 961828720 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 58.

The spelling of 188518427356 in words is "one hundred eighty-eight billion, five hundred eighteen million, four hundred twenty-seven thousand, three hundred fifty-six".