186856243230 has 32 divisors (see below), whose sum is σ = 456055920000. Its totient is φ = 48983783072.

The previous prime is 186856243229. The next prime is 186856243243. The reversal of 186856243230 is 32342658681.

It is a self number, because there is not a number n which added to its sum of digits gives 186856243230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52782480 + ... + 52786019.

It is an arithmetic number, because the mean of its divisors is an integer number (14251747500).

Almost surely, 2^186856243230 is an apocalyptic number.

186856243230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

186856243230 is an abundant number, since it is smaller than the sum of its proper divisors (269199676770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

186856243230 is a wasteful number, since it uses less digits than its factorization.

186856243230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105568568.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 186856243230 in words is "one hundred eighty-six billion, eight hundred fifty-six million, two hundred forty-three thousand, two hundred thirty".