266337534241 has 9 divisors (see below), whose sum is σ = 268367035699. Its totient is φ = 264323277904.

The previous prime is 266337534233. The next prime is 266337534251. The reversal of 266337534241 is 142435733662.

The square root of 266337534241 is 516079.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 156447936225 + 109889598016 = 395535^2 + 331496^2 .

It is not a de Polignac number, because 266337534241 - 2³ = 266337534233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 266337534191 and 266337534200.

It is not an unprimeable number, because it can be changed into a prime (266337534251) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 70700940 + ... + 70704706.

Almost surely, 2^266337534241 is an apocalyptic number.

266337534241 is the 516079-th square number.

266337534241 is the 258040-th centered octagonal number.

It is an amenable number.

266337534241 is a deficient number, since it is larger than the sum of its proper divisors (2029501458).

266337534241 is an frugal number, since it uses more digits than its factorization.

266337534241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7808 (or 3904 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 46.

The spelling of 266337534241 in words is "two hundred sixty-six billion, three hundred thirty-seven million, five hundred thirty-four thousand, two hundred forty-one".