266684452226 has 48 divisors (see below), whose sum is σ = 432475017000. Its totient is φ = 123209372160.

The previous prime is 266684452213. The next prime is 266684452241. The reversal of 266684452226 is 622254486662.

266684452226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 516415²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 633780625 + 266050671601 = 25175^2 + 515801^2 .

It is a super-2 number, since 2×266684452226² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3761150 + ... + 3831398.

Almost surely, 2^266684452226 is an apocalyptic number.

266684452226 is a deficient number, since it is larger than the sum of its proper divisors (165790564774).

266684452226 is a wasteful number, since it uses less digits than its factorization.

266684452226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70407 (or 70378 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 53.

The spelling of 266684452226 in words is "two hundred sixty-six billion, six hundred eighty-four million, four hundred fifty-two thousand, two hundred twenty-six".