16836666687017 has 2 divisors, whose sum is σ = 16836666687018. Its totient is φ = 16836666687016.

The previous prime is 16836666686977. The next prime is 16836666687047. The reversal of 16836666687017 is 71078666663861.

16836666687017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15798868098841 + 1037798588176 = 3974779^2 + 1018724^2 .

It is a cyclic number.

It is not a de Polignac number, because 16836666687017 - 2²⁴ = 16836649909801 is a prime.

It is not a weakly prime, because it can be changed into another prime (16836666687047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8418333343508 + 8418333343509.

It is an arithmetic number, because the mean of its divisors is an integer number (8418333343509).

Almost surely, 2^{16836666687017} is an apocalyptic number.

It is an amenable number.

16836666687017 is a deficient number, since it is larger than the sum of its proper divisors (1).

16836666687017 is an equidigital number, since it uses as much as digits as its factorization.

16836666687017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 438939648, while the sum is 71.

The spelling of 16836666687017 in words is "sixteen trillion, eight hundred thirty-six billion, six hundred sixty-six million, six hundred eighty-seven thousand, seventeen".