18806060320 has 96 divisors (see below), whose sum is σ = 46011696192. Its totient is φ = 7258739712.

The previous prime is 18806060309. The next prime is 18806060333. The reversal of 18806060320 is 2306060881.

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, 554574 + ... + 587506.

It is an arithmetic number, because the mean of its divisors is an integer number (479288502).

Almost surely, 2^18806060320 is an apocalyptic number.

18806060320 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 18806060320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23005848096).

18806060320 is an abundant number, since it is smaller than the sum of its proper divisors (27205635872).

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

18806060320 is a wasteful number, since it uses less digits than its factorization.

18806060320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33074 (or 33066 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 18806060320 in words is "eighteen billion, eight hundred six million, sixty thousand, three hundred twenty".