189151282032 has 160 divisors (see below), whose sum is σ = 522427276800. Its totient is φ = 58829438976.

The previous prime is 189151281953. The next prime is 189151282079. The reversal of 189151282032 is 230282151981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44099344 + ... + 44103632.

It is an arithmetic number, because the mean of its divisors is an integer number (3265170480).

Almost surely, 2^189151282032 is an apocalyptic number.

189151282032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189151282032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261213638400).

189151282032 is an abundant number, since it is smaller than the sum of its proper divisors (333275994768).

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

189151282032 is a wasteful number, since it uses less digits than its factorization.

189151282032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295 (or 5289 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 189151282032 in words is "one hundred eighty-nine billion, one hundred fifty-one million, two hundred eighty-two thousand, thirty-two".