188668982 has 4 divisors (see below), whose sum is σ = 283003476. Its totient is φ = 94334490.

The previous prime is 188668979. The next prime is 188669021. The reversal of 188668982 is 289866881.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47167244 + ... + 47167247.

It is an arithmetic number, because the mean of its divisors is an integer number (70750869).

Almost surely, 2^188668982 is an apocalyptic number.

188668982 is a deficient number, since it is larger than the sum of its proper divisors (94334494).

188668982 is an equidigital number, since it uses as much as digits as its factorization.

188668982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94334493.

The product of its digits is 2654208, while the sum is 56.

The square root of 188668982 is about 13735.6828006474. The cubic root of 188668982 is about 573.5441248376.

The spelling of 188668982 in words is "one hundred eighty-eight million, six hundred sixty-eight thousand, nine hundred eighty-two".