18852155180 has 24 divisors (see below), whose sum is σ = 39595802400. Its totient is φ = 7539666560.

The previous prime is 18852155149. The next prime is 18852155191. The reversal of 18852155180 is 8155125881.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60560 + ... + 203400.

It is an arithmetic number, because the mean of its divisors is an integer number (1649825100).

Almost surely, 2^18852155180 is an apocalyptic number.

18852155180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18852155180 is an abundant number, since it is smaller than the sum of its proper divisors (20743647220).

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

18852155180 is a wasteful number, since it uses less digits than its factorization.

18852155180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149449 (or 149447 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 44.

The spelling of 18852155180 in words is "eighteen billion, eight hundred fifty-two million, one hundred fifty-five thousand, one hundred eighty".