163226313 has 8 divisors (see below), whose sum is σ = 241816800. Its totient is φ = 108817524.

The previous prime is 163226311. The next prime is 163226339. The reversal of 163226313 is 313622361.

It is a happy number.

163226313 is a `hidden beast` number, since 1 + 6 + 3 + 22 + 631 + 3 = 666.

163226313 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 163226313 - 2¹ = 163226311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 6045419 = 163226313 / (1 + 6 + 3 + 2 + 2 + 6 + 3 + 1 + 3).

It is not an unprimeable number, because it can be changed into a prime (163226311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3022683 + ... + 3022736.

It is an arithmetic number, because the mean of its divisors is an integer number (30227100).

Almost surely, 2^163226313 is an apocalyptic number.

It is an amenable number.

163226313 is a deficient number, since it is larger than the sum of its proper divisors (78590487).

163226313 is an equidigital number, since it uses as much as digits as its factorization.

163226313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6045428 (or 6045422 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 163226313 is about 12776.0053616144. The cubic root of 163226313 is about 546.5082515320.

Adding to 163226313 its reverse (313622361), we get a palindrome (476848674).

The spelling of 163226313 in words is "one hundred sixty-three million, two hundred twenty-six thousand, three hundred thirteen".