2182138018 has 16 divisors (see below), whose sum is σ = 3448688256. Its totient is φ = 1033496640.

The previous prime is 2182138001. The next prime is 2182138099. The reversal of 2182138018 is 8108312812.

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, 225543 + ... + 235018.

It is an arithmetic number, because the mean of its divisors is an integer number (215543016).

Almost surely, 2^2182138018 is an apocalyptic number.

2182138018 is a deficient number, since it is larger than the sum of its proper divisors (1266550238).

2182138018 is a wasteful number, since it uses less digits than its factorization.

2182138018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460689.

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 2182138018 is about 46713.3601660167. The cubic root of 2182138018 is about 1297.0620077606.

The spelling of 2182138018 in words is "two billion, one hundred eighty-two million, one hundred thirty-eight thousand, eighteen".