18103703760 has 60 divisors (see below), whose sum is σ = 60798274212. Its totient is φ = 4827654144.

The previous prime is 18103703707. The next prime is 18103703809. The reversal of 18103703760 is 6730730181.

It can be written as a sum of positive squares in 2 ways, for example, as 13666545216 + 4437158544 = 116904^2 + 66612^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12571297 + ... + 12572736.

Almost surely, 2^18103703760 is an apocalyptic number.

18103703760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18103703760 is an abundant number, since it is smaller than the sum of its proper divisors (42694570452).

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

18103703760 is a wasteful number, since it uses less digits than its factorization.

18103703760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25144052 (or 25144043 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 18103703760 in words is "eighteen billion, one hundred three million, seven hundred three thousand, seven hundred sixty".