18916043300 has 108 divisors (see below), whose sum is σ = 52090509744. Its totient is φ = 5895892800.

The previous prime is 18916043299. The next prime is 18916043303. The reversal of 18916043300 is 334061981.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (18916043303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 121574 + ... + 229373.

Almost surely, 2^18916043300 is an apocalyptic number.

18916043300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18916043300 is an abundant number, since it is smaller than the sum of its proper divisors (33174466444).

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

18916043300 is a wasteful number, since it uses less digits than its factorization.

18916043300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350986 (or 350972 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 18916043300 in words is "eighteen billion, nine hundred sixteen million, forty-three thousand, three hundred".