18879160320 has 448 divisors, whose sum is σ = 68855783040. Its totient is φ = 4904976384.

The previous prime is 18879160309. The next prime is 18879160351. The reversal of 18879160320 is 2306197881.

18879160320 is a `hidden beast` number, since 18 + 8 + 7 + 9 + 1 + 603 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 47554362 + ... + 47554758.

Almost surely, 2^18879160320 is an apocalyptic number.

18879160320 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 18879160320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34427891520).

18879160320 is an abundant number, since it is smaller than the sum of its proper divisors (49976622720).

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

18879160320 is an equidigital number, since it uses as much as digits as its factorization.

18879160320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 18879160320 in words is "eighteen billion, eight hundred seventy-nine million, one hundred sixty thousand, three hundred twenty".