18384799147008 has 264 divisors, whose sum is σ = 57352335920352. Its totient is φ = 5220567023616.

The previous prime is 18384799146997. The next prime is 18384799147051. The reversal of 18384799147008 is 80074199748381.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24161416 + ... + 24910712.

It is an arithmetic number, because the mean of its divisors is an integer number (217243696668).

Almost surely, 2^{18384799147008} 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 18384799147008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28676167960176).

18384799147008 is an abundant number, since it is smaller than the sum of its proper divisors (38967536773344).

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

18384799147008 is a wasteful number, since it uses less digits than its factorization.

18384799147008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749497 (or 749472 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 69.

The spelling of 18384799147008 in words is "eighteen trillion, three hundred eighty-four billion, seven hundred ninety-nine million, one hundred forty-seven thousand, eight".