18110080 has 32 divisors (see below), whose sum is σ = 43295940. Its totient is φ = 7243776.

The previous prime is 18110077. The next prime is 18110089. The reversal of 18110080 is 8001181.

It can be written as a sum of positive squares in 2 ways, for example, as 16451136 + 1658944 = 4056^2 + 1288^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×18110080³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (18110089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13509 + ... + 14788.

Almost surely, 2^18110080 is an apocalyptic number.

18110080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18110080 is an abundant number, since it is smaller than the sum of its proper divisors (25185860).

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

18110080 is an equidigital number, since it uses as much as digits as its factorization.

18110080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28316 (or 28304 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 18110080 is about 4255.5939655940. The cubic root of 18110080 is about 262.6072970282.

The spelling of 18110080 in words is "eighteen million, one hundred ten thousand, eighty".