18286333108 has 12 divisors (see below), whose sum is σ = 32234668452. Its totient is φ = 9076427840.

The previous prime is 18286333081. The next prime is 18286333171. The reversal of 18286333108 is 80133368281.

It can be written as a sum of positive squares in 2 ways, for example, as 7208349604 + 11077983504 = 84902^2 + 105252^2 .

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, 16684063 + ... + 16685158.

It is an arithmetic number, because the mean of its divisors is an integer number (2686222371).

Almost surely, 2^18286333108 is an apocalyptic number.

It is an amenable number.

18286333108 is a deficient number, since it is larger than the sum of its proper divisors (13948335344).

18286333108 is a wasteful number, since it uses less digits than its factorization.

18286333108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33369362 (or 33369360 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 18286333108 in words is "eighteen billion, two hundred eighty-six million, three hundred thirty-three thousand, one hundred eight".