18246462512 has 20 divisors (see below), whose sum is σ = 35381138736. Its totient is φ = 9115846080.

The previous prime is 18246462497. The next prime is 18246462523. The reversal of 18246462512 is 21526464281.

It is a self number, because there is not a number n which added to its sum of digits gives 18246462512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441164 + ... + 480747.

Almost surely, 2^18246462512 is an apocalyptic number.

It is an amenable number.

18246462512 is a deficient number, since it is larger than the sum of its proper divisors (17134676224).

18246462512 is a wasteful number, since it uses less digits than its factorization.

18246462512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923156 (or 923150 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The spelling of 18246462512 in words is "eighteen billion, two hundred forty-six million, four hundred sixty-two thousand, five hundred twelve".