189534288960 has 112 divisors (see below), whose sum is σ = 668634883200. Its totient is φ = 50542474752.

The previous prime is 189534288959. The next prime is 189534288961. The reversal of 189534288960 is 69882435981.

189534288960 is a `hidden beast` number, since 1 + 8 + 9 + 534 + 2 + 8 + 8 + 96 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (189534288959) and next prime (189534288961).

It is not an unprimeable number, because it can be changed into a prime (189534288961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10959780 + ... + 10977059.

Almost surely, 2^189534288960 is an apocalyptic number.

189534288960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189534288960 is an abundant number, since it is smaller than the sum of its proper divisors (479100594240).

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

189534288960 is a wasteful number, since it uses less digits than its factorization.

189534288960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21936865 (or 21936849 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 189534288960 in words is "one hundred eighty-nine billion, five hundred thirty-four million, two hundred eighty-eight thousand, nine hundred sixty".