18341334788 has 12 divisors (see below), whose sum is σ = 36682669632. Its totient is φ = 7860572040.

The previous prime is 18341334773. The next prime is 18341334857. The reversal of 18341334788 is 88743314381.

It is a happy number.

18341334788 is an admirable number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

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, 327523808 + ... + 327523863.

It is an arithmetic number, because the mean of its divisors is an integer number (3056889136).

Almost surely, 2^18341334788 is an apocalyptic number.

It is an amenable number.

18341334788 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.

18341334788 is a wasteful number, since it uses less digits than its factorization.

18341334788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655047682 (or 655047680 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 50.

The spelling of 18341334788 in words is "eighteen billion, three hundred forty-one million, three hundred thirty-four thousand, seven hundred eighty-eight".