18338613796 has 24 divisors (see below), whose sum is σ = 33985931616. Its totient is φ = 8628524160.

The previous prime is 18338613791. The next prime is 18338613803. The reversal of 18338613796 is 69731683381.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18338613791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480115 + ... + 516901.

It is an arithmetic number, because the mean of its divisors is an integer number (1416080484).

Almost surely, 2^18338613796 is an apocalyptic number.

It is an amenable number.

18338613796 is a deficient number, since it is larger than the sum of its proper divisors (15647317820).

18338613796 is a wasteful number, since it uses less digits than its factorization.

18338613796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44139 (or 44137 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 55.

The spelling of 18338613796 in words is "eighteen billion, three hundred thirty-eight million, six hundred thirteen thousand, seven hundred ninety-six".