188493830056 has 64 divisors (see below), whose sum is σ = 406659576960. Its totient is φ = 80235360000.

The previous prime is 188493830051. The next prime is 188493830059. The reversal of 188493830056 is 650038394881.

It is a junction number, because it is equal to n+sod(n) for n = 188493829979 and 188493830006.

It is not an unprimeable number, because it can be changed into a prime (188493830051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8310331 + ... + 8332981.

It is an arithmetic number, because the mean of its divisors is an integer number (6354055890).

Almost surely, 2^188493830056 is an apocalyptic number.

It is an amenable number.

188493830056 is an abundant number, since it is smaller than the sum of its proper divisors (218165746904).

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

188493830056 is a wasteful number, since it uses less digits than its factorization.

188493830056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23666 (or 23662 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 188493830056 in words is "one hundred eighty-eight billion, four hundred ninety-three million, eight hundred thirty thousand, fifty-six".