266080943 has 2 divisors, whose sum is σ = 266080944. Its totient is φ = 266080942.

The previous prime is 266080849. The next prime is 266080999. The reversal of 266080943 is 349080662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266080943 - 2¹⁴ = 266064559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266080897 and 266080906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266088943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133040471 + 133040472.

It is an arithmetic number, because the mean of its divisors is an integer number (133040472).

Almost surely, 2^266080943 is an apocalyptic number.

266080943 is a deficient number, since it is larger than the sum of its proper divisors (1).

266080943 is an equidigital number, since it uses as much as digits as its factorization.

266080943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 266080943 is about 16311.9877084309. The cubic root of 266080943 is about 643.1879859628.

The spelling of 266080943 in words is "two hundred sixty-six million, eighty thousand, nine hundred forty-three".