189669508416 has 112 divisors (see below), whose sum is σ = 558057588480. Its totient is φ = 63170519040.

The previous prime is 189669508403. The next prime is 189669508459. The reversal of 189669508416 is 614805966981.

189669508416 is a `hidden beast` number, since 1 + 89 + 6 + 6 + 9 + 508 + 41 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2057881 + ... + 2148071.

It is an arithmetic number, because the mean of its divisors is an integer number (4982657040).

Almost surely, 2^189669508416 is an apocalyptic number.

189669508416 is a gapful number since it is divisible by the number (16) 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 189669508416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279028794240).

189669508416 is an abundant number, since it is smaller than the sum of its proper divisors (368388080064).

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

189669508416 is a wasteful number, since it uses less digits than its factorization.

189669508416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91429 (or 91413 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 189669508416 in words is "one hundred eighty-nine billion, six hundred sixty-nine million, five hundred eight thousand, four hundred sixteen".