18503366853352 has 16 divisors (see below), whose sum is σ = 34796761854660. Its totient is φ = 9224230358784.

The previous prime is 18503366853341. The next prime is 18503366853353. The reversal of 18503366853352 is 25335866330581.

It can be written as a sum of positive squares in 2 ways, for example, as 16107267184996 + 2396099668356 = 4013386^2 + 1547934^2 .

It is not an unprimeable number, because it can be changed into a prime (18503366853353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3431630623 + ... + 3431636014.

Almost surely, 2^{18503366853352} is an apocalyptic number.

It is an amenable number.

18503366853352 is a deficient number, since it is larger than the sum of its proper divisors (16293395001308).

18503366853352 is a wasteful number, since it uses less digits than its factorization.

18503366853352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6863266980 (or 6863266976 counting only the distinct ones).

The product of its (nonzero) digits is 46656000, while the sum is 58.

The spelling of 18503366853352 in words is "eighteen trillion, five hundred three billion, three hundred sixty-six million, eight hundred fifty-three thousand, three hundred fifty-two".