266788152227 has 2 divisors, whose sum is σ = 266788152228. Its totient is φ = 266788152226.

The previous prime is 266788152209. The next prime is 266788152269. The reversal of 266788152227 is 722251887662.

266788152227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266788152227 - 2¹⁴ = 266788135843 is a prime.

It is not a weakly prime, because it can be changed into another prime (266788352227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133394076113 + 133394076114.

It is an arithmetic number, because the mean of its divisors is an integer number (133394076114).

Almost surely, 2^266788152227 is an apocalyptic number.

266788152227 is a deficient number, since it is larger than the sum of its proper divisors (1).

266788152227 is an equidigital number, since it uses as much as digits as its factorization.

266788152227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9031680, while the sum is 56.

The spelling of 266788152227 in words is "two hundred sixty-six billion, seven hundred eighty-eight million, one hundred fifty-two thousand, two hundred twenty-seven".