266041044264161 has 8 divisors (see below), whose sum is σ = 268039284408000. Its totient is φ = 264045640517680.

The previous prime is 266041044264133. The next prime is 266041044264181. The reversal of 266041044264161 is 161462440140662.

It is a happy number.

266041044264161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 266041044264161 - 2⁶ = 266041044264097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266041044264181) 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, 708911045 + ... + 709286226.

It is an arithmetic number, because the mean of its divisors is an integer number (33504910551000).

Almost surely, 2^{266041044264161} is an apocalyptic number.

It is an amenable number.

266041044264161 is a deficient number, since it is larger than the sum of its proper divisors (1998240143839).

266041044264161 is a wasteful number, since it uses less digits than its factorization.

266041044264161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418198679.

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 266041044264161 in words is "two hundred sixty-six trillion, forty-one billion, forty-four million, two hundred sixty-four thousand, one hundred sixty-one".