189677411220 has 96 divisors (see below), whose sum is σ = 580346726400. Its totient is φ = 45905541760.

The previous prime is 189677411219. The next prime is 189677411269. The reversal of 189677411220 is 22114776981.

189677411220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 189677411220.

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, 155449 + ... + 635231.

It is an arithmetic number, because the mean of its divisors is an integer number (6045278400).

Almost surely, 2^189677411220 is an apocalyptic number.

189677411220 is a gapful number since it is divisible by the number (10) 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 189677411220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290173363200).

189677411220 is an abundant number, since it is smaller than the sum of its proper divisors (390669315180).

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

189677411220 is a wasteful number, since it uses less digits than its factorization.

189677411220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480405 (or 480403 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 189677411220 in words is "one hundred eighty-nine billion, six hundred seventy-seven million, four hundred eleven thousand, two hundred twenty".