18108130 has 32 divisors (see below), whose sum is σ = 34328448. Its totient is φ = 6864000.

The previous prime is 18108109. The next prime is 18108131. The reversal of 18108130 is 3180181.

It is not an unprimeable number, because it can be changed into a prime (18108131) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29830 + ... + 30430.

It is an arithmetic number, because the mean of its divisors is an integer number (1072764).

Almost surely, 2^18108130 is an apocalyptic number.

18108130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18108130 is a deficient number, since it is larger than the sum of its proper divisors (16220318).

18108130 is a wasteful number, since it uses less digits than its factorization.

18108130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 18108130 is about 4255.3648492227. The cubic root of 18108130 is about 262.5978712902.

The spelling of 18108130 in words is "eighteen million, one hundred eight thousand, one hundred thirty".