18368535352 has 16 divisors (see below), whose sum is σ = 34443100440. Its totient is φ = 9183708576.

The previous prime is 18368535299. The next prime is 18368535373. The reversal of 18368535352 is 25353586381.

It is a junction number, because it is equal to n+sod(n) for n = 18368535296 and 18368535305.

It is a congruent number.

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, 91723 + ... + 212485.

Almost surely, 2^18368535352 is an apocalyptic number.

It is an amenable number.

18368535352 is a deficient number, since it is larger than the sum of its proper divisors (16074565088).

18368535352 is a wasteful number, since it uses less digits than its factorization.

18368535352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139782 (or 139778 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 49.

The spelling of 18368535352 in words is "eighteen billion, three hundred sixty-eight million, five hundred thirty-five thousand, three hundred fifty-two".