18105760 has 24 divisors (see below), whose sum is σ = 42775236. Its totient is φ = 7242240.

The previous prime is 18105757. The next prime is 18105779. The reversal of 18105760 is 6750181.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17740944 + 364816 = 4212^2 + 604^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56421 + ... + 56740.

Almost surely, 2^18105760 is an apocalyptic number.

18105760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18105760 is an abundant number, since it is smaller than the sum of its proper divisors (24669476).

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

18105760 is a wasteful number, since it uses less digits than its factorization.

18105760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113176 (or 113168 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 18105760 is about 4255.0863681011. The cubic root of 18105760 is about 262.5864144821.

The spelling of 18105760 in words is "eighteen million, one hundred five thousand, seven hundred sixty".