18481816700 has 36 divisors (see below), whose sum is σ = 40460483280. Its totient is φ = 7327299840.

The previous prime is 18481816699. The next prime is 18481816711. The reversal of 18481816700 is 761818481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 806480 + ... + 829079.

Almost surely, 2^18481816700 is an apocalyptic number.

18481816700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18481816700 is an abundant number, since it is smaller than the sum of its proper divisors (21978666580).

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

18481816700 is a wasteful number, since it uses less digits than its factorization.

18481816700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635686 (or 1635679 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 44.

The spelling of 18481816700 in words is "eighteen billion, four hundred eighty-one million, eight hundred sixteen thousand, seven hundred".