189693352260 has 72 divisors (see below), whose sum is σ = 575452626840. Its totient is φ = 50580546048.

The previous prime is 189693352259. The next prime is 189693352271. The reversal of 189693352260 is 62253396981.

189693352260 is a `hidden beast` number, since 1 + 89 + 6 + 9 + 33 + 522 + 6 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 111721725504 + 77971626756 = 334248^2 + 279234^2 .

It is a junction number, because it is equal to n+sod(n) for n = 189693352197 and 189693352206.

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 23 ways as a sum of consecutive naturals, for example, 2429184 + ... + 2506056.

It is an arithmetic number, because the mean of its divisors is an integer number (7992397595).

Almost surely, 2^189693352260 is an apocalyptic number.

189693352260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189693352260 is an abundant number, since it is smaller than the sum of its proper divisors (385759274580).

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

189693352260 is a wasteful number, since it uses less digits than its factorization.

189693352260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90597 (or 90592 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 189693352260 in words is "one hundred eighty-nine billion, six hundred ninety-three million, three hundred fifty-two thousand, two hundred sixty".