266253224215 has 16 divisors (see below), whose sum is σ = 350071742880. Its totient is φ = 192793115520.

The previous prime is 266253224203. The next prime is 266253224269. The reversal of 266253224215 is 512422352662.

It is not a de Polignac number, because 266253224215 - 2¹¹ = 266253222167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10557204 + ... + 10582393.

It is an arithmetic number, because the mean of its divisors is an integer number (21879483930).

Almost surely, 2^266253224215 is an apocalyptic number.

266253224215 is a deficient number, since it is larger than the sum of its proper divisors (83818518665).

266253224215 is a wasteful number, since it uses less digits than its factorization.

266253224215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21139842.

The product of its digits is 345600, while the sum is 40.

Adding to 266253224215 its reverse (512422352662), we get a palindrome (778675576877).

The spelling of 266253224215 in words is "two hundred sixty-six billion, two hundred fifty-three million, two hundred twenty-four thousand, two hundred fifteen".