13346653320018 has 20 divisors (see below), whose sum is σ = 29906389847070. Its totient is φ = 4448884439952.

The previous prime is 13346653319969. The next prime is 13346653320061. The reversal of 13346653320018 is 81002335664331.

It is a happy number.

13346653320018 is a `hidden beast` number, since 1 + 3 + 34 + 66 + 533 + 20 + 0 + 1 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8487683969769 + 4858969350249 = 2913363^2 + 2204307^2 .

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 9 ways as a sum of consecutive naturals, for example, 41193374283 + ... + 41193374606.

Almost surely, 2^{13346653320018} is an apocalyptic number.

13346653320018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13346653320018 is an abundant number, since it is smaller than the sum of its proper divisors (16559736527052).

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

13346653320018 is an equidigital number, since it uses as much as digits as its factorization.

13346653320018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82386748903 (or 82386748894 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

Adding to 13346653320018 its reverse (81002335664331), we get a palindrome (94348988984349).

The spelling of 13346653320018 in words is "thirteen trillion, three hundred forty-six billion, six hundred fifty-three million, three hundred twenty thousand, eighteen".