18082330 has 16 divisors (see below), whose sum is σ = 37198080. Its totient is φ = 6199632.

The previous prime is 18082327. The next prime is 18082343. The reversal of 18082330 is 3328081.

It is a junction number, because it is equal to n+sod(n) for n = 18082295 and 18082304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129090 + ... + 129229.

It is an arithmetic number, because the mean of its divisors is an integer number (2324880).

Almost surely, 2^18082330 is an apocalyptic number.

18082330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18082330 is an abundant number, since it is smaller than the sum of its proper divisors (19115750).

18082330 is a wasteful number, since it uses less digits than its factorization.

18082330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258333.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 18082330 is about 4252.3323012201. The cubic root of 18082330 is about 262.4730977721.

The spelling of 18082330 in words is "eighteen million, eighty-two thousand, three hundred thirty".