18350580364 has 6 divisors (see below), whose sum is σ = 32113515644. Its totient is φ = 9175290180.

The previous prime is 18350580343. The next prime is 18350580373. The reversal of 18350580364 is 46308505381.

It is a self number, because there is not a number n which added to its sum of digits gives 18350580364.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2293822542 + ... + 2293822549.

Almost surely, 2^18350580364 is an apocalyptic number.

It is an amenable number.

18350580364 is a deficient number, since it is larger than the sum of its proper divisors (13762935280).

18350580364 is a wasteful number, since it uses less digits than its factorization.

18350580364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587645095 (or 4587645093 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 18350580364 in words is "eighteen billion, three hundred fifty million, five hundred eighty thousand, three hundred sixty-four".