18316418231336 has 32 divisors (see below), whose sum is σ = 34373889262440. Its totient is φ = 9150051406848.

The previous prime is 18316418231317. The next prime is 18316418231383. The reversal of 18316418231336 is 63313281461381.

It can be written as a sum of positive squares in 4 ways, for example, as 8550980730436 + 9765437500900 = 2924206^2 + 3124970^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40371380 + ... + 40822556.

Almost surely, 2^{18316418231336} is an apocalyptic number.

It is an amenable number.

18316418231336 is a deficient number, since it is larger than the sum of its proper divisors (16057471031104).

18316418231336 is a wasteful number, since it uses less digits than its factorization.

18316418231336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455693 (or 455689 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 50.

The spelling of 18316418231336 in words is "eighteen trillion, three hundred sixteen billion, four hundred eighteen million, two hundred thirty-one thousand, three hundred thirty-six".