266110821079 has 2 divisors, whose sum is σ = 266110821080. Its totient is φ = 266110821078.

The previous prime is 266110821059. The next prime is 266110821083. The reversal of 266110821079 is 970128011662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266110821079 - 2¹³ = 266110812887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266110821029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133055410539 + 133055410540.

It is an arithmetic number, because the mean of its divisors is an integer number (133055410540).

Almost surely, 2^266110821079 is an apocalyptic number.

266110821079 is a deficient number, since it is larger than the sum of its proper divisors (1).

266110821079 is an equidigital number, since it uses as much as digits as its factorization.

266110821079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 266110821079 in words is "two hundred sixty-six billion, one hundred ten million, eight hundred twenty-one thousand, seventy-nine".