188422808356 has 6 divisors (see below), whose sum is σ = 329739914630. Its totient is φ = 94211404176.

The previous prime is 188422808323. The next prime is 188422808383. The reversal of 188422808356 is 653808224881.

It can be written as a sum of positive squares in only one way, i.e., 108362105856 + 80060702500 = 329184^2 + 282950^2 .

It is a junction number, because it is equal to n+sod(n) for n = 188422808297 and 188422808306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23552851041 + ... + 23552851048.

Almost surely, 2^188422808356 is an apocalyptic number.

It is an amenable number.

188422808356 is a deficient number, since it is larger than the sum of its proper divisors (141317106274).

188422808356 is a wasteful number, since it uses less digits than its factorization.

188422808356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47105702093 (or 47105702091 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 55.

The spelling of 188422808356 in words is "one hundred eighty-eight billion, four hundred twenty-two million, eight hundred eight thousand, three hundred fifty-six".