2066267317 has 2 divisors, whose sum is σ = 2066267318. Its totient is φ = 2066267316.

The previous prime is 2066267303. The next prime is 2066267339. The reversal of 2066267317 is 7137626602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1264584721 + 801682596 = 35561^2 + 28314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2066267317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2066267317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066267377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033133658 + 1033133659.

It is an arithmetic number, because the mean of its divisors is an integer number (1033133659).

Almost surely, 2^2066267317 is an apocalyptic number.

It is an amenable number.

2066267317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066267317 is an equidigital number, since it uses as much as digits as its factorization.

2066267317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 2066267317 is about 45456.2131836782. The cubic root of 2066267317 is about 1273.6853946340.

The spelling of 2066267317 in words is "two billion, sixty-six million, two hundred sixty-seven thousand, three hundred seventeen".