13161966373 has 2 divisors, whose sum is σ = 13161966374. Its totient is φ = 13161966372.

The previous prime is 13161966341. The next prime is 13161966397. The reversal of 13161966373 is 37366916131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10958321124 + 2203645249 = 104682^2 + 46943^2 .

It is an emirp because it is prime and its reverse (37366916131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13161966373 - 2⁵ = 13161966341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13161966313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6580983186 + 6580983187.

It is an arithmetic number, because the mean of its divisors is an integer number (6580983187).

Almost surely, 2^13161966373 is an apocalyptic number.

It is an amenable number.

13161966373 is a deficient number, since it is larger than the sum of its proper divisors (1).

13161966373 is an equidigital number, since it uses as much as digits as its factorization.

13161966373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 46.

The spelling of 13161966373 in words is "thirteen billion, one hundred sixty-one million, nine hundred sixty-six thousand, three hundred seventy-three".