213226163253 has 24 divisors (see below), whose sum is σ = 318348270240. Its totient is φ = 137450576160.

The previous prime is 213226163191. The next prime is 213226163317. The reversal of 213226163253 is 352361622312.

213226163253 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 2 + 616 + 32 + 5 + 3 = 666.

It is not a de Polignac number, because 213226163253 - 2⁹ = 213226162741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213226165253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3259051 + ... + 3323832.

It is an arithmetic number, because the mean of its divisors is an integer number (13264511260).

Almost surely, 2^213226163253 is an apocalyptic number.

It is an amenable number.

213226163253 is a deficient number, since it is larger than the sum of its proper divisors (105122106987).

213226163253 is a wasteful number, since it uses less digits than its factorization.

213226163253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6583009 (or 6583006 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

Adding to 213226163253 its reverse (352361622312), we get a palindrome (565587785565).

The spelling of 213226163253 in words is "two hundred thirteen billion, two hundred twenty-six million, one hundred sixty-three thousand, two hundred fifty-three".