18795582118 has 8 divisors (see below), whose sum is σ = 28196381520. Its totient is φ = 9396788280.

The previous prime is 18795582107. The next prime is 18795582161. The reversal of 18795582118 is 81128559781.

It is a happy number.

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

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, 477738 + ... + 515581.

It is an arithmetic number, because the mean of its divisors is an integer number (3524547690).

Almost surely, 2^18795582118 is an apocalyptic number.

18795582118 is a deficient number, since it is larger than the sum of its proper divisors (9400799402).

18795582118 is an equidigital number, since it uses as much as digits as its factorization.

18795582118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002782.

The product of its digits is 1612800, while the sum is 55.

The spelling of 18795582118 in words is "eighteen billion, seven hundred ninety-five million, five hundred eighty-two thousand, one hundred eighteen".