266043540641133 has 8 divisors (see below), whose sum is σ = 354729988556928. Its totient is φ = 177359726576384.

The previous prime is 266043540641063. The next prime is 266043540641147. The reversal of 266043540641133 is 331146045340662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 266043540641133 - 2⁹ = 266043540640621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266043540641633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658227060 + ... + 658631117.

It is an arithmetic number, because the mean of its divisors is an integer number (44341248569616).

Almost surely, 2^{266043540641133} is an apocalyptic number.

It is an amenable number.

266043540641133 is a deficient number, since it is larger than the sum of its proper divisors (88686447915795).

266043540641133 is a wasteful number, since it uses less digits than its factorization.

266043540641133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316925523.

The product of its (nonzero) digits is 3732480, while the sum is 48.

Adding to 266043540641133 its reverse (331146045340662), we get a palindrome (597189585981795).

The spelling of 266043540641133 in words is "two hundred sixty-six trillion, forty-three billion, five hundred forty million, six hundred forty-one thousand, one hundred thirty-three".