188730068 has 24 divisors (see below), whose sum is σ = 334393920. Its totient is φ = 93196800.

The previous prime is 188730049. The next prime is 188730079. The reversal of 188730068 is 860037881.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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 in 7 ways as a sum of consecutive naturals, for example, 115763 + ... + 117381.

It is an arithmetic number, because the mean of its divisors is an integer number (13933080).

Almost surely, 2^188730068 is an apocalyptic number.

It is an amenable number.

188730068 is a deficient number, since it is larger than the sum of its proper divisors (145663852).

188730068 is a wasteful number, since it uses less digits than its factorization.

188730068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1965 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 188730068 is about 13737.9062451307. The cubic root of 188730068 is about 573.6060176044.

The spelling of 188730068 in words is "one hundred eighty-eight million, seven hundred thirty thousand, sixty-eight".