18316806696 has 80 divisors (see below), whose sum is σ = 53073177300. Its totient is φ = 5895058176.

The previous prime is 18316806671. The next prime is 18316806733. The reversal of 18316806696 is 69660861381.

It can be written as a sum of positive squares in 2 ways, for example, as 17374930596 + 941876100 = 131814^2 + 30690^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 468565 + ... + 506148.

Almost surely, 2^18316806696 is an apocalyptic number.

It is an amenable number.

18316806696 is an abundant number, since it is smaller than the sum of its proper divisors (34756370604).

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

18316806696 is a wasteful number, since it uses less digits than its factorization.

18316806696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974760 (or 974747 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 18316806696 in words is "eighteen billion, three hundred sixteen million, eight hundred six thousand, six hundred ninety-six".