188380084436 has 12 divisors (see below), whose sum is σ = 329705550720. Its totient is φ = 94178498520.

The previous prime is 188380084411. The next prime is 188380084447. The reversal of 188380084436 is 634480083881.

It is a super-2 number, since 2×188380084436² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2849156 + ... + 2914523.

It is an arithmetic number, because the mean of its divisors is an integer number (27475462560).

Almost surely, 2^188380084436 is an apocalyptic number.

It is an amenable number.

188380084436 is a deficient number, since it is larger than the sum of its proper divisors (141325466284).

188380084436 is a wasteful number, since it uses less digits than its factorization.

188380084436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771854 (or 5771852 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 53.

The spelling of 188380084436 in words is "one hundred eighty-eight billion, three hundred eighty million, eighty-four thousand, four hundred thirty-six".