18183818382 has 8 divisors (see below), whose sum is σ = 36367636776. Its totient is φ = 6061272792.

The previous prime is 18183818357. The next prime is 18183818413. The reversal of 18183818382 is 28381838181.

It is a sphenic number, since it is the product of 3 distinct primes.

18183818382 is an admirable number.

It is a super-2 number, since 2×18183818382² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515318193 + ... + 1515318204.

It is an arithmetic number, because the mean of its divisors is an integer number (4545954597).

Almost surely, 2^18183818382 is an apocalyptic number.

18183818382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18183818382 is a wasteful number, since it uses less digits than its factorization.

18183818382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030636402.

The product of its digits is 589824, while the sum is 51.

The spelling of 18183818382 in words is "eighteen billion, one hundred eighty-three million, eight hundred eighteen thousand, three hundred eighty-two".