18263012680 has 64 divisors (see below), whose sum is σ = 44867520000. Its totient is φ = 6635151360.

The previous prime is 18263012611. The next prime is 18263012687. The reversal of 18263012680 is 8621036281.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18263012687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489321 + ... + 525319.

It is an arithmetic number, because the mean of its divisors is an integer number (701055000).

Almost surely, 2^18263012680 is an apocalyptic number.

18263012680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18263012680 is an abundant number, since it is smaller than the sum of its proper divisors (26604507320).

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

18263012680 is a wasteful number, since it uses less digits than its factorization.

18263012680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37174 (or 37170 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 18263012680 in words is "eighteen billion, two hundred sixty-three million, twelve thousand, six hundred eighty".