266113053316605 has 64 divisors (see below), whose sum is σ = 469408687626240. Its totient is φ = 127659470688000.

The previous prime is 266113053316571. The next prime is 266113053316667. The reversal of 266113053316605 is 506613350311662.

266113053316605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 266113053316605 - 2¹¹ = 266113053314557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18841864 + ... + 29786606.

It is an arithmetic number, because the mean of its divisors is an integer number (7334510744160).

Almost surely, 2^{266113053316605} is an apocalyptic number.

It is an amenable number.

266113053316605 is a deficient number, since it is larger than the sum of its proper divisors (203295634309635).

266113053316605 is a wasteful number, since it uses less digits than its factorization.

266113053316605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10946322.

The product of its (nonzero) digits is 1749600, while the sum is 48.

The spelling of 266113053316605 in words is "two hundred sixty-six trillion, one hundred thirteen billion, fifty-three million, three hundred sixteen thousand, six hundred five".