266144414430063 has 16 divisors (see below), whose sum is σ = 402269560273280. Its totient is φ = 155161116104544.

The previous prime is 266144414430053. The next prime is 266144414430149. The reversal of 266144414430063 is 360034414441662.

It is not a de Polignac number, because 266144414430063 - 2⁵ = 266144414430031 is a prime.

It is a super-2 number, since 2×266144414430063² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 266144414429994 and 266144414430021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266144414430043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179584624381 + ... + 179584625862.

It is an arithmetic number, because the mean of its divisors is an integer number (25141847517080).

Almost surely, 2^{266144414430063} is an apocalyptic number.

266144414430063 is a deficient number, since it is larger than the sum of its proper divisors (136125145843217).

266144414430063 is a wasteful number, since it uses less digits than its factorization.

266144414430063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359169250278.

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 266144414430063 in words is "two hundred sixty-six trillion, one hundred forty-four billion, four hundred fourteen million, four hundred thirty thousand, sixty-three".