18606144 has 28 divisors (see below), whose sum is σ = 49229264. Its totient is φ = 6201984.

The previous prime is 18606121. The next prime is 18606151. The reversal of 18606144 is 44160681.

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, 48262 + ... + 48645.

It is an arithmetic number, because the mean of its divisors is an integer number (1758188).

Almost surely, 2^18606144 is an apocalyptic number.

It is an amenable number.

18606144 is an abundant number, since it is smaller than the sum of its proper divisors (30623120).

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

18606144 is an equidigital number, since it uses as much as digits as its factorization.

18606144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96922 (or 96912 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 18606144 is about 4313.4839747007. The cubic root of 18606144 is about 264.9834758891.

The spelling of 18606144 in words is "eighteen million, six hundred six thousand, one hundred forty-four".