8066809885361 has 2 divisors, whose sum is σ = 8066809885362. Its totient is φ = 8066809885360.

The previous prime is 8066809885349. The next prime is 8066809885439. The reversal of 8066809885361 is 1635889086608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6371686608400 + 1695123276961 = 2524220^2 + 1301969^2 .

It is a cyclic number.

It is not a de Polignac number, because 8066809885361 - 2³⁰ = 8065736143537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8066809885291 and 8066809885300.

It is not a weakly prime, because it can be changed into another prime (8066809885301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4033404942680 + 4033404942681.

It is an arithmetic number, because the mean of its divisors is an integer number (4033404942681).

Almost surely, 2^{8066809885361} is an apocalyptic number.

It is an amenable number.

8066809885361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8066809885361 is an equidigital number, since it uses as much as digits as its factorization.

8066809885361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 119439360, while the sum is 68.

The spelling of 8066809885361 in words is "eight trillion, sixty-six billion, eight hundred nine million, eight hundred eighty-five thousand, three hundred sixty-one".