18446830912 has 28 divisors (see below), whose sum is σ = 36710965440. Its totient is φ = 9196823936.

The previous prime is 18446830877. The next prime is 18446830939. The reversal of 18446830912 is 21903864481.

It is a congruent number.

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, 393112 + ... + 437527.

Almost surely, 2^18446830912 is an apocalyptic number.

It is an amenable number.

18446830912 is a deficient number, since it is larger than the sum of its proper divisors (18264134528).

18446830912 is an equidigital number, since it uses as much as digits as its factorization.

18446830912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830998 (or 830988 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 18446830912 in words is "eighteen billion, four hundred forty-six million, eight hundred thirty thousand, nine hundred twelve".