9168389045920 has 192 divisors, whose sum is σ = 23829844502016. Its totient is φ = 3312245882880.

The previous prime is 9168389045887. The next prime is 9168389045941. The reversal of 9168389045920 is 295409838619.

It is a super-3 number, since 3×9168389045920³ (a number of 40 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385846840 + ... + 385870600.

It is an arithmetic number, because the mean of its divisors is an integer number (124113773448).

Almost surely, 2^{9168389045920} 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 9168389045920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11914922251008).

9168389045920 is an abundant number, since it is smaller than the sum of its proper divisors (14661455456096).

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

9168389045920 is a wasteful number, since it uses less digits than its factorization.

9168389045920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27783 (or 27775 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 64.

The spelling of 9168389045920 in words is "nine trillion, one hundred sixty-eight billion, three hundred eighty-nine million, forty-five thousand, nine hundred twenty".