266560341641 has 4 divisors (see below), whose sum is σ = 290793099984. Its totient is φ = 242327583300.

The previous prime is 266560341631. The next prime is 266560341689. The reversal of 266560341641 is 146143065662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 266560341641 - 2⁶ = 266560341577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 266560341592 and 266560341601.

It is not an unprimeable number, because it can be changed into a prime (266560341631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12116379155 + ... + 12116379176.

It is an arithmetic number, because the mean of its divisors is an integer number (72698274996).

Almost surely, 2^266560341641 is an apocalyptic number.

It is an amenable number.

266560341641 is a deficient number, since it is larger than the sum of its proper divisors (24232758343).

266560341641 is a wasteful number, since it uses less digits than its factorization.

266560341641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24232758342.

The product of its (nonzero) digits is 622080, while the sum is 44.

It can be divided in two parts, 2665 and 60341641, that added together give a palindrome (60344306).

The spelling of 266560341641 in words is "two hundred sixty-six billion, five hundred sixty million, three hundred forty-one thousand, six hundred forty-one".