186428768 has 12 divisors (see below), whose sum is σ = 367031700. Its totient is φ = 93214368.

The previous prime is 186428717. The next prime is 186428771. The reversal of 186428768 is 867824681.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2912918 + ... + 2912981.

It is an arithmetic number, because the mean of its divisors is an integer number (30585975).

Almost surely, 2^186428768 is an apocalyptic number.

It is an amenable number.

186428768 is a deficient number, since it is larger than the sum of its proper divisors (180602932).

186428768 is an equidigital number, since it uses as much as digits as its factorization.

186428768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5825909 (or 5825901 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 50.

The square root of 186428768 is about 13653.8920458600. The cubic root of 186428768 is about 571.2650348211.

The spelling of 186428768 in words is "one hundred eighty-six million, four hundred twenty-eight thousand, seven hundred sixty-eight".