189520056 has 96 divisors (see below), whose sum is σ = 562648320. Its totient is φ = 57153600.

The previous prime is 189520043. The next prime is 189520061. The reversal of 189520056 is 650025981.

It is a happy number.

189520056 is a `hidden beast` number, since 1 + 89 + 520 + 0 + 56 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 189520056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214191 + ... + 215073.

It is an arithmetic number, because the mean of its divisors is an integer number (5860920).

Almost surely, 2^189520056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189520056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281324160).

189520056 is an abundant number, since it is smaller than the sum of its proper divisors (373128264).

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

189520056 is a wasteful number, since it uses less digits than its factorization.

189520056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 189520056 is about 13766.6283453865. The cubic root of 189520056 is about 574.4052385703.

The spelling of 189520056 in words is "one hundred eighty-nine million, five hundred twenty thousand, fifty-six".