18318823148 has 12 divisors (see below), whose sum is σ = 32059151880. Its totient is φ = 9159065472.

The previous prime is 18318823139. The next prime is 18318823151. The reversal of 18318823148 is 84132881381.

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, 60215 + ... + 200657.

It is an arithmetic number, because the mean of its divisors is an integer number (2671595990).

Almost surely, 2^18318823148 is an apocalyptic number.

It is an amenable number.

18318823148 is a deficient number, since it is larger than the sum of its proper divisors (13740328732).

18318823148 is a wasteful number, since it uses less digits than its factorization.

18318823148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173056 (or 173054 counting only the distinct ones).

The product of its digits is 294912, while the sum is 47.

The spelling of 18318823148 in words is "eighteen billion, three hundred eighteen million, eight hundred twenty-three thousand, one hundred forty-eight".