1366689315163 has 2 divisors, whose sum is σ = 1366689315164. Its totient is φ = 1366689315162.

The previous prime is 1366689315161. The next prime is 1366689315197. The reversal of 1366689315163 is 3615139866631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1366689315163 - 2¹ = 1366689315161 is a prime.

Together with 1366689315161, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1366689315098 and 1366689315107.

It is not a weakly prime, because it can be changed into another prime (1366689315161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683344657581 + 683344657582.

It is an arithmetic number, because the mean of its divisors is an integer number (683344657582).

Almost surely, 2^{1366689315163} is an apocalyptic number.

1366689315163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366689315163 is an equidigital number, since it uses as much as digits as its factorization.

1366689315163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12597120, while the sum is 58.

The spelling of 1366689315163 in words is "one trillion, three hundred sixty-six billion, six hundred eighty-nine million, three hundred fifteen thousand, one hundred sixty-three".