189906160632 has 128 divisors (see below), whose sum is σ = 491623084800. Its totient is φ = 61084827648.

The previous prime is 189906160627. The next prime is 189906160651. The reversal of 189906160632 is 236061609981.

189906160632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57044344 + ... + 57047672.

It is an arithmetic number, because the mean of its divisors is an integer number (3840805350).

Almost surely, 2^189906160632 is an apocalyptic number.

189906160632 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 189906160632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245811542400).

189906160632 is an abundant number, since it is smaller than the sum of its proper divisors (301716924168).

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

189906160632 is a wasteful number, since it uses less digits than its factorization.

189906160632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885 (or 3881 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 189906160632 in words is "one hundred eighty-nine billion, nine hundred six million, one hundred sixty thousand, six hundred thirty-two".