18456130 has 48 divisors (see below), whose sum is σ = 41751360. Its totient is φ = 5749920.

The previous prime is 18456121. The next prime is 18456157. The reversal of 18456130 is 3165481.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7381 + ... + 9559.

It is an arithmetic number, because the mean of its divisors is an integer number (869820).

Almost surely, 2^18456130 is an apocalyptic number.

18456130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18456130 is an abundant number, since it is smaller than the sum of its proper divisors (23295230).

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

18456130 is a wasteful number, since it uses less digits than its factorization.

18456130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215 (or 2204 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 18456130 is about 4296.0598226747. The cubic root of 18456130 is about 264.2694009201.

The spelling of 18456130 in words is "eighteen million, four hundred fifty-six thousand, one hundred thirty".