18119456 has 12 divisors (see below), whose sum is σ = 35672742. Its totient is φ = 9059712.

The previous prime is 18119441. The next prime is 18119489. The reversal of 18119456 is 65491181.

It can be written as a sum of positive squares in only one way, i.e., 9709456 + 8410000 = 3116^2 + 2900^2 .

It is a Smith number, since the sum of its digits (35) 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 as a sum of consecutive naturals, namely, 283085 + ... + 283148.

Almost surely, 2^18119456 is an apocalyptic number.

18119456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18119456 is a deficient number, since it is larger than the sum of its proper divisors (17553286).

18119456 is an equidigital number, since it uses as much as digits as its factorization.

18119456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566243 (or 566235 counting only the distinct ones).

The product of its digits is 8640, while the sum is 35.

The square root of 18119456 is about 4256.6954319049. The cubic root of 18119456 is about 262.6526084648.

The spelling of 18119456 in words is "eighteen million, one hundred nineteen thousand, four hundred fifty-six".