266336213 has 16 divisors (see below), whose sum is σ = 314918016. Its totient is φ = 222056640.

The previous prime is 266336201. The next prime is 266336233. The reversal of 266336213 is 312633662.

It is not a de Polignac number, because 266336213 - 2⁴ = 266336197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 266336213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266336233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16520 + ... + 28382.

It is an arithmetic number, because the mean of its divisors is an integer number (19682376).

Almost surely, 2^266336213 is an apocalyptic number.

It is an amenable number.

266336213 is a deficient number, since it is larger than the sum of its proper divisors (48581803).

266336213 is a wasteful number, since it uses less digits than its factorization.

266336213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12044.

The product of its digits is 23328, while the sum is 32.

The square root of 266336213 is about 16319.8104462031. The cubic root of 266336213 is about 643.3936052480.

Adding to 266336213 its reverse (312633662), we get a palindrome (578969875).

The spelling of 266336213 in words is "two hundred sixty-six million, three hundred thirty-six thousand, two hundred thirteen".