13166704311737 has 2 divisors, whose sum is σ = 13166704311738. Its totient is φ = 13166704311736.

The previous prime is 13166704311589. The next prime is 13166704311749. The reversal of 13166704311737 is 73711340766131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11370276096256 + 1796428215481 = 3371984^2 + 1340309^2 .

It is a cyclic number.

It is not a de Polignac number, because 13166704311737 - 2¹² = 13166704307641 is a prime.

It is not a weakly prime, because it can be changed into another prime (13166701311737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6583352155868 + 6583352155869.

It is an arithmetic number, because the mean of its divisors is an integer number (6583352155869).

Almost surely, 2^{13166704311737} is an apocalyptic number.

It is an amenable number.

13166704311737 is a deficient number, since it is larger than the sum of its proper divisors (1).

13166704311737 is an equidigital number, since it uses as much as digits as its factorization.

13166704311737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 50.

The spelling of 13166704311737 in words is "thirteen trillion, one hundred sixty-six billion, seven hundred four million, three hundred eleven thousand, seven hundred thirty-seven".