18331818348 has 12 divisors (see below), whose sum is σ = 42774242840. Its totient is φ = 6110606112.

The previous prime is 18331818299. The next prime is 18331818359. The reversal of 18331818348 is 84381813381.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18331818297 and 18331818306.

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, 763825753 + ... + 763825776.

Almost surely, 2^18331818348 is an apocalyptic number.

It is an amenable number.

18331818348 is an abundant number, since it is smaller than the sum of its proper divisors (24442424492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18331818348 is a wasteful number, since it uses less digits than its factorization.

18331818348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527651536 (or 1527651534 counting only the distinct ones).

The product of its digits is 442368, while the sum is 48.

The spelling of 18331818348 in words is "eighteen billion, three hundred thirty-one million, eight hundred eighteen thousand, three hundred forty-eight".