266046343663327 has 2 divisors, whose sum is σ = 266046343663328. Its totient is φ = 266046343663326.

The previous prime is 266046343663223. The next prime is 266046343663339. The reversal of 266046343663327 is 723366343640662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266046343663327 - 2¹⁵ = 266046343630559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266046343663927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133023171831663 + 133023171831664.

It is an arithmetic number, because the mean of its divisors is an integer number (133023171831664).

Almost surely, 2^{266046343663327} is an apocalyptic number.

266046343663327 is a deficient number, since it is larger than the sum of its proper divisors (1).

266046343663327 is an equidigital number, since it uses as much as digits as its factorization.

266046343663327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282175488, while the sum is 61.

The spelling of 266046343663327 in words is "two hundred sixty-six trillion, forty-six billion, three hundred forty-three million, six hundred sixty-three thousand, three hundred twenty-seven".