189617714832512 has 72 divisors (see below), whose sum is σ = 381161968865145. Its totient is φ = 93961116641280.

The previous prime is 189617714832499. The next prime is 189617714832523. The reversal of 189617714832512 is 215238417716981.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 119756602808896 + 69861112023616 = 10943336^2 + 8358296^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=9736984.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 17604461687 + ... + 17604472457.

Almost surely, 2^{189617714832512} 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 189617714832512

189617714832512 is an abundant number, since it is smaller than the sum of its proper divisors (191544254032633).

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

189617714832512 is an frugal number, since it uses more digits than its factorization.

189617714832512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21782 (or 10886 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 65.

The spelling of 189617714832512 in words is "one hundred eighty-nine trillion, six hundred seventeen billion, seven hundred fourteen million, eight hundred thirty-two thousand, five hundred twelve".