266936281346832 has 40 divisors (see below), whose sum is σ = 696694521259296. Its totient is φ = 88061453638656.

The previous prime is 266936281346831. The next prime is 266936281346857. The reversal of 266936281346832 is 238643182639662.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (266936281346831) 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 7 ways as a sum of consecutive naturals, for example, 28665833118 + ... + 28665842429.

Almost surely, 2^{266936281346832} is an apocalyptic number.

It is an amenable number.

266936281346832 is an abundant number, since it is smaller than the sum of its proper divisors (429758239912464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266936281346832 is a wasteful number, since it uses less digits than its factorization.

266936281346832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57331675655 (or 57331675649 counting only the distinct ones).

The product of its digits is 644972544, while the sum is 69.

The spelling of 266936281346832 in words is "two hundred sixty-six trillion, nine hundred thirty-six billion, two hundred eighty-one million, three hundred forty-six thousand, eight hundred thirty-two".