266552234611143 has 16 divisors (see below), whose sum is σ = 382762148582016. Its totient is φ = 164023367931360.

The previous prime is 266552234611109. The next prime is 266552234611189. The reversal of 266552234611143 is 341116432255662.

It is not a de Polignac number, because 266552234611143 - 2⁹ = 266552234610631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266552234611343) 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 15 ways as a sum of consecutive naturals, for example, 182104305 + ... + 183562202.

It is an arithmetic number, because the mean of its divisors is an integer number (23922634286376).

Almost surely, 2^{266552234611143} is an apocalyptic number.

266552234611143 is a deficient number, since it is larger than the sum of its proper divisors (116209913970873).

266552234611143 is a wasteful number, since it uses less digits than its factorization.

266552234611143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365685214.

The product of its digits is 6220800, while the sum is 51.

The spelling of 266552234611143 in words is "two hundred sixty-six trillion, five hundred fifty-two billion, two hundred thirty-four million, six hundred eleven thousand, one hundred forty-three".