189527647232 has 792 divisors, whose sum is σ = 536312689920. Its totient is φ = 66421555200.

The previous prime is 189527647217. The next prime is 189527647237. The reversal of 189527647232 is 232746725981.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (189527647237) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3575993318 + ... + 3575993370.

Almost surely, 2^189527647232 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 189527647232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268156344960).

189527647232 is an abundant number, since it is smaller than the sum of its proper divisors (346785042688).

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

189527647232 is a wasteful number, since it uses less digits than its factorization.

189527647232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 123 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 56.

The spelling of 189527647232 in words is "one hundred eighty-nine billion, five hundred twenty-seven million, six hundred forty-seven thousand, two hundred thirty-two".