266113403664536 has 128 divisors (see below), whose sum is σ = 522503498880000. Its totient is φ = 126946083962880.

The previous prime is 266113403664533. The next prime is 266113403664599. The reversal of 266113403664536 is 635466304311662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266113403664533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9366548171 + ... + 9366576581.

It is an arithmetic number, because the mean of its divisors is an integer number (4082058585000).

Almost surely, 2^{266113403664536} is an apocalyptic number.

It is an amenable number.

266113403664536 is a deficient number, since it is larger than the sum of its proper divisors (256390095215464).

266113403664536 is a wasteful number, since it uses less digits than its factorization.

266113403664536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30769 (or 30765 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 56.

The spelling of 266113403664536 in words is "two hundred sixty-six trillion, one hundred thirteen billion, four hundred three million, six hundred sixty-four thousand, five hundred thirty-six".