18483118 has 4 divisors (see below), whose sum is σ = 27724680. Its totient is φ = 9241558.

The previous prime is 18483109. The next prime is 18483133. The reversal of 18483118 is 81138481.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81138481 = 1279 ⋅63439.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4620778 + ... + 4620781.

It is an arithmetic number, because the mean of its divisors is an integer number (6931170).

Almost surely, 2^18483118 is an apocalyptic number.

18483118 is a deficient number, since it is larger than the sum of its proper divisors (9241562).

18483118 is an equidigital number, since it uses as much as digits as its factorization.

18483118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9241561.

The product of its digits is 6144, while the sum is 34.

The square root of 18483118 is about 4299.1996929661. The cubic root of 18483118 is about 264.3981499959.

The spelling of 18483118 in words is "eighteen million, four hundred eighty-three thousand, one hundred eighteen".