266460324205 has 4 divisors (see below), whose sum is σ = 319752389052. Its totient is φ = 213168259360.

The previous prime is 266460324197. The next prime is 266460324209. The reversal of 266460324205 is 502423064662.

266460324205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502423064662 = 2 ⋅251211532331.

It can be written as a sum of positive squares in 2 ways, for example, as 83744256996 + 182716067209 = 289386^2 + 427453^2 .

It is not a de Polignac number, because 266460324205 - 2³ = 266460324197 is a prime.

It is a super-3 number, since 3×266460324205³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266460324209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26646032416 + ... + 26646032425.

It is an arithmetic number, because the mean of its divisors is an integer number (79938097263).

Almost surely, 2^266460324205 is an apocalyptic number.

It is an amenable number.

266460324205 is a deficient number, since it is larger than the sum of its proper divisors (53292064847).

266460324205 is an equidigital number, since it uses as much as digits as its factorization.

266460324205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53292064846.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 266460324205 its reverse (502423064662), we get a palindrome (768883388867).

The spelling of 266460324205 in words is "two hundred sixty-six billion, four hundred sixty million, three hundred twenty-four thousand, two hundred five".