18183130 has 32 divisors (see below), whose sum is σ = 37973376. Its totient is φ = 6139584.

The previous prime is 18183107. The next prime is 18183157. The reversal of 18183130 is 3138181.

It is a super-3 number, since 3×18183130³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18183095 and 18183104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2752 + ... + 6628.

It is an arithmetic number, because the mean of its divisors is an integer number (1186668).

Almost surely, 2^18183130 is an apocalyptic number.

18183130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18183130 is an abundant number, since it is smaller than the sum of its proper divisors (19790246).

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

18183130 is a wasteful number, since it uses less digits than its factorization.

18183130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 18183130 is about 4264.1681486546. The cubic root of 18183130 is about 262.9599133147.

The spelling of 18183130 in words is "eighteen million, one hundred eighty-three thousand, one hundred thirty".