18266468 has 12 divisors (see below), whose sum is σ = 34872432. Its totient is φ = 8302920.

The previous prime is 18266447. The next prime is 18266473. The reversal of 18266468 is 86466281.

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, 207530 + ... + 207617.

It is an arithmetic number, because the mean of its divisors is an integer number (2906036).

Almost surely, 2^18266468 is an apocalyptic number.

It is an amenable number.

18266468 is a deficient number, since it is larger than the sum of its proper divisors (16605964).

18266468 is a wasteful number, since it uses less digits than its factorization.

18266468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415162 (or 415160 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 18266468 is about 4273.9288716590. The cubic root of 18266468 is about 263.3610389408.

The spelling of 18266468 in words is "eighteen million, two hundred sixty-six thousand, four hundred sixty-eight".