18316608944 has 10 divisors (see below), whose sum is σ = 35488429860. Its totient is φ = 9158304464.

The previous prime is 18316608917. The next prime is 18316608949. The reversal of 18316608944 is 44980661381.

It is a junction number, because it is equal to n+sod(n) for n = 18316608892 and 18316608901.

It is not an unprimeable number, because it can be changed into a prime (18316608949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572394014 + ... + 572394045.

It is an arithmetic number, because the mean of its divisors is an integer number (3548842986).

Almost surely, 2^18316608944 is an apocalyptic number.

It is an amenable number.

18316608944 is a deficient number, since it is larger than the sum of its proper divisors (17171820916).

18316608944 is a wasteful number, since it uses less digits than its factorization.

18316608944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144788067 (or 1144788061 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 18316608944 in words is "eighteen billion, three hundred sixteen million, six hundred eight thousand, nine hundred forty-four".