2663016018217 has 2 divisors, whose sum is σ = 2663016018218. Its totient is φ = 2663016018216.

The previous prime is 2663016018127. The next prime is 2663016018227. The reversal of 2663016018217 is 7128106103662.

Together with previous prime (2663016018127) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2305359392281 + 357656625936 = 1518341^2 + 598044^2 .

It is a cyclic number.

It is not a de Polignac number, because 2663016018217 - 2³⁵ = 2628656279849 is a prime.

It is not a weakly prime, because it can be changed into another prime (2663016018227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331508009108 + 1331508009109.

It is an arithmetic number, because the mean of its divisors is an integer number (1331508009109).

Almost surely, 2^{2663016018217} is an apocalyptic number.

It is an amenable number.

2663016018217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663016018217 is an equidigital number, since it uses as much as digits as its factorization.

2663016018217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 2663016018217 in words is "two trillion, six hundred sixty-three billion, sixteen million, eighteen thousand, two hundred seventeen".