188977612552 has 16 divisors (see below), whose sum is σ = 354884095440. Its totient is φ = 94341853776.

The previous prime is 188977612531. The next prime is 188977612613. The reversal of 188977612552 is 255216779881.

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, 18363598 + ... + 18373885.

It is an arithmetic number, because the mean of its divisors is an integer number (22180255965).

Almost surely, 2^188977612552 is an apocalyptic number.

It is an amenable number.

188977612552 is a deficient number, since it is larger than the sum of its proper divisors (165906482888).

188977612552 is a wasteful number, since it uses less digits than its factorization.

188977612552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36738132 (or 36738128 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 61.

The spelling of 188977612552 in words is "one hundred eighty-eight billion, nine hundred seventy-seven million, six hundred twelve thousand, five hundred fifty-two".