189730822390960 has 80 divisors (see below), whose sum is σ = 448817025121920. Its totient is φ = 74576498135040.

The previous prime is 189730822390957. The next prime is 189730822390987. The reversal of 189730822390960 is 69093228037981.

It is a tau number, because it is divible by the number of its divisors (80).

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, 58358605 + ... + 61523884.

It is an arithmetic number, because the mean of its divisors is an integer number (5610212814024).

Almost surely, 2^{189730822390960} is an apocalyptic number.

189730822390960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189730822390960 is an abundant number, since it is smaller than the sum of its proper divisors (259086202730960).

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

189730822390960 is a wasteful number, since it uses less digits than its factorization.

189730822390960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119882846 (or 119882840 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 67.

The spelling of 189730822390960 in words is "one hundred eighty-nine trillion, seven hundred thirty billion, eight hundred twenty-two million, three hundred ninety thousand, nine hundred sixty".