189064512 has 168 divisors, whose sum is σ = 667162496. Its totient is φ = 49849344.

The previous prime is 189064511. The next prime is 189064591. The reversal of 189064512 is 215460981.

189064512 is a `hidden beast` number, since 1 + 8 + 9 + 0 + 645 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189064511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50613 + ... + 54219.

Almost surely, 2^189064512 is an apocalyptic number.

189064512 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 189064512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333581248).

189064512 is an abundant number, since it is smaller than the sum of its proper divisors (478097984).

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

189064512 is a wasteful number, since it uses less digits than its factorization.

189064512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645 (or 3632 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 189064512 is about 13750.0731634417. The cubic root of 189064512 is about 573.9446421217.

The spelling of 189064512 in words is "one hundred eighty-nine million, sixty-four thousand, five hundred twelve".