266453405205 has 32 divisors (see below), whose sum is σ = 459154604160. Its totient is φ = 131167092480.

The previous prime is 266453405201. The next prime is 266453405233. The reversal of 266453405205 is 502504354662.

266453405205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 266453405205 - 2² = 266453405201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266453405201) 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 31 ways as a sum of consecutive naturals, for example, 2970706 + ... + 3059084.

It is an arithmetic number, because the mean of its divisors is an integer number (14348581380).

Almost surely, 2^266453405205 is an apocalyptic number.

It is an amenable number.

266453405205 is a deficient number, since it is larger than the sum of its proper divisors (192701198955).

266453405205 is a wasteful number, since it uses less digits than its factorization.

266453405205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103861.

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 266453405205 its reverse (502504354662), we get a palindrome (768957759867).

The spelling of 266453405205 in words is "two hundred sixty-six billion, four hundred fifty-three million, four hundred five thousand, two hundred five".