266105266232056 has 32 divisors (see below), whose sum is σ = 512436661403040. Its totient is φ = 129455549129088.

The previous prime is 266105266232051. The next prime is 266105266232129. The reversal of 266105266232056 is 650232662501662.

It is a junction number, because it is equal to n+sod(n) for n = 266105266231994 and 266105266232012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266105266232051) 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, 32882781 + ... + 40168243.

It is an arithmetic number, because the mean of its divisors is an integer number (16013645668845).

Almost surely, 2^{266105266232056} is an apocalyptic number.

It is an amenable number.

266105266232056 is a deficient number, since it is larger than the sum of its proper divisors (246331395170984).

266105266232056 is a wasteful number, since it uses less digits than its factorization.

266105266232056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7408903 (or 7408899 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 266105266232056 in words is "two hundred sixty-six trillion, one hundred five billion, two hundred sixty-six million, two hundred thirty-two thousand, fifty-six".