18316224324 has 18 divisors (see below), whose sum is σ = 46299344910. Its totient is φ = 6105408096.

The previous prime is 18316224319. The next prime is 18316224331. The reversal of 18316224324 is 42342261381.

18316224324 is a `hidden beast` number, since 1 + 8 + 3 + 1 + 622 + 4 + 3 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18192614400 + 123609924 = 134880^2 + 11118^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 508784009 = 18316224324 / (1 + 8 + 3 + 1 + 6 + 2 + 2 + 4 + 3 + 2 + 4).

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 5 ways as a sum of consecutive naturals, for example, 254391969 + ... + 254392040.

Almost surely, 2^18316224324 is an apocalyptic number.

It is an amenable number.

18316224324 is an abundant number, since it is smaller than the sum of its proper divisors (27983120586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18316224324 is a wasteful number, since it uses less digits than its factorization.

18316224324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508784019 (or 508784014 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The spelling of 18316224324 in words is "eighteen billion, three hundred sixteen million, two hundred twenty-four thousand, three hundred twenty-four".