18341768338 has 8 divisors (see below), whose sum is σ = 27521762688. Its totient is φ = 9167847444.

The previous prime is 18341768321. The next prime is 18341768339. The reversal of 18341768338 is 83386714381.

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

It is not an unprimeable number, because it can be changed into a prime (18341768339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510806 + ... + 1522897.

It is an arithmetic number, because the mean of its divisors is an integer number (3440220336).

Almost surely, 2^18341768338 is an apocalyptic number.

18341768338 is a deficient number, since it is larger than the sum of its proper divisors (9179994350).

18341768338 is a wasteful number, since it uses less digits than its factorization.

18341768338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036728.

The product of its digits is 2322432, while the sum is 52.

The spelling of 18341768338 in words is "eighteen billion, three hundred forty-one million, seven hundred sixty-eight thousand, three hundred thirty-eight".