18368800860 has 24 divisors (see below), whose sum is σ = 51432642576. Its totient is φ = 4898346880.

The previous prime is 18368800831. The next prime is 18368800873. The reversal of 18368800860 is 6800886381.

It is a happy number.

It is a congruent number.

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, 153073281 + ... + 153073400.

It is an arithmetic number, because the mean of its divisors is an integer number (2143026774).

Almost surely, 2^18368800860 is an apocalyptic number.

18368800860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18368800860 is an abundant number, since it is smaller than the sum of its proper divisors (33063841716).

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

18368800860 is a wasteful number, since it uses less digits than its factorization.

18368800860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306146693 (or 306146691 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 18368800860 in words is "eighteen billion, three hundred sixty-eight million, eight hundred thousand, eight hundred sixty".