188974898668 has 24 divisors (see below), whose sum is σ = 333757020240. Its totient is φ = 93616373760.

The previous prime is 188974898633. The next prime is 188974898683. The reversal of 188974898668 is 866898479881.

188974898668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 188974898591 and 188974898600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157868 + ... + 1310956.

It is an arithmetic number, because the mean of its divisors is an integer number (13906542510).

Almost surely, 2^188974898668 is an apocalyptic number.

It is an amenable number.

188974898668 is a deficient number, since it is larger than the sum of its proper divisors (144782121572).

188974898668 is a wasteful number, since it uses less digits than its factorization.

188974898668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155937 (or 155935 counting only the distinct ones).

The product of its digits is 2675441664, while the sum is 82.

The spelling of 188974898668 in words is "one hundred eighty-eight billion, nine hundred seventy-four million, eight hundred ninety-eight thousand, six hundred sixty-eight".