164244313 has 4 divisors (see below), whose sum is σ = 169907940. Its totient is φ = 158580688.

The previous prime is 164244277. The next prime is 164244323. The reversal of 164244313 is 313442461.

164244313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27751824 + 136492489 = 5268^2 + 11683^2 .

It is a cyclic number.

It is not a de Polignac number, because 164244313 - 2⁹ = 164243801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164244323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2831770 + ... + 2831827.

It is an arithmetic number, because the mean of its divisors is an integer number (42476985).

Almost surely, 2^164244313 is an apocalyptic number.

It is an amenable number.

164244313 is a deficient number, since it is larger than the sum of its proper divisors (5663627).

164244313 is an equidigital number, since it uses as much as digits as its factorization.

164244313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5663626.

The product of its digits is 6912, while the sum is 28.

The square root of 164244313 is about 12815.7837450544. The cubic root of 164244313 is about 547.6420409457.

Adding to 164244313 its reverse (313442461), we get a palindrome (477686774).

The spelling of 164244313 in words is "one hundred sixty-four million, two hundred forty-four thousand, three hundred thirteen".