189241564019904 has 280 divisors, whose sum is σ = 612170733388368. Its totient is φ = 57326993602560.

The previous prime is 189241564019819. The next prime is 189241564019909. The reversal of 189241564019904 is 409910465142981.

189241564019904 is a `hidden beast` number, since 1 + 8 + 92 + 4 + 1 + 56 + 401 + 9 + 90 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (189241564019909) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 172635522 + ... + 173728254.

Almost surely, 2^{189241564019904} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189241564019904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306085366694184).

189241564019904 is an abundant number, since it is smaller than the sum of its proper divisors (422929169368464).

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

189241564019904 is a wasteful number, since it uses less digits than its factorization.

189241564019904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095805 (or 1095786 counting only the distinct ones).

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

The spelling of 189241564019904 in words is "one hundred eighty-nine trillion, two hundred forty-one billion, five hundred sixty-four million, nineteen thousand, nine hundred four".