18898804552320 has 1792 divisors, whose sum is σ = 85535626752000. Its totient is φ = 3876732887040.

The previous prime is 18898804552279. The next prime is 18898804552339. The reversal of 18898804552320 is 2325540889881.

18898804552320 is a `hidden beast` number, since 1 + 8 + 8 + 9 + 8 + 80 + 4 + 5 + 523 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 2838081151 + ... + 2838087809.

Almost surely, 2^{18898804552320} is an apocalyptic number.

18898804552320 is a gapful number since it is divisible by the number (10) 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 18898804552320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42767813376000).

18898804552320 is an abundant number, since it is smaller than the sum of its proper divisors (66636822199680).

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

18898804552320 is an equidigital number, since it uses as much as digits as its factorization.

18898804552320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6793 (or 6766 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 63.

The spelling of 18898804552320 in words is "eighteen trillion, eight hundred ninety-eight billion, eight hundred four million, five hundred fifty-two thousand, three hundred twenty".