266740007338 has 16 divisors (see below), whose sum is σ = 459794934144. Its totient is φ = 113685558480.

The previous prime is 266740007333. The next prime is 266740007357. The reversal of 266740007338 is 833700047662.

266740007338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (266740007333) 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 in 7 ways as a sum of consecutive naturals, for example, 52629670 + ... + 52634737.

It is an arithmetic number, because the mean of its divisors is an integer number (28737183384).

Almost surely, 2^266740007338 is an apocalyptic number.

266740007338 is a deficient number, since it is larger than the sum of its proper divisors (193054926806).

266740007338 is a wasteful number, since it uses less digits than its factorization.

266740007338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105264597.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 266740007338 in words is "two hundred sixty-six billion, seven hundred forty million, seven thousand, three hundred thirty-eight".