189556906230 has 48 divisors (see below), whose sum is σ = 492922244880. Its totient is φ = 50540889024.

The previous prime is 189556906229. The next prime is 189556906243. The reversal of 189556906230 is 32609655981.

It is a happy number.

189556906230 is a `hidden beast` number, since 1 + 8 + 9 + 5 + 5 + 6 + 9 + 0 + 623 + 0 = 666.

189556906230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×189556906230³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 454764 + ... + 765456.

It is an arithmetic number, because the mean of its divisors is an integer number (10269213435).

Almost surely, 2^189556906230 is an apocalyptic number.

189556906230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189556906230 is an abundant number, since it is smaller than the sum of its proper divisors (303365338650).

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

189556906230 is a wasteful number, since it uses less digits than its factorization.

189556906230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317485 (or 317482 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 189556906230 in words is "one hundred eighty-nine billion, five hundred fifty-six million, nine hundred six thousand, two hundred thirty".