18381829182 has 16 divisors (see below), whose sum is σ = 37366342032. Its totient is φ = 6026829120.

The previous prime is 18381829163. The next prime is 18381829187. The reversal of 18381829182 is 28192818381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18381829187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25111423 + ... + 25112154.

It is an arithmetic number, because the mean of its divisors is an integer number (2335396377).

Almost surely, 2^18381829182 is an apocalyptic number.

18381829182 is an abundant number, since it is smaller than the sum of its proper divisors (18984512850).

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

18381829182 is a wasteful number, since it uses less digits than its factorization.

18381829182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50223643.

The product of its digits is 442368, while the sum is 51.

The spelling of 18381829182 in words is "eighteen billion, three hundred eighty-one million, eight hundred twenty-nine thousand, one hundred eighty-two".