164647313 has 4 divisors (see below), whose sum is σ = 165696180. Its totient is φ = 163598448.

The previous prime is 164647289. The next prime is 164647321. The reversal of 164647313 is 313746461.

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 117765904 + 46881409 = 10852^2 + 6847^2 .

It is a cyclic number.

It is not a de Polignac number, because 164647313 - 2¹⁰ = 164646289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164647333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524198 + ... + 524511.

It is an arithmetic number, because the mean of its divisors is an integer number (41424045).

Almost surely, 2^164647313 is an apocalyptic number.

It is an amenable number.

164647313 is a deficient number, since it is larger than the sum of its proper divisors (1048867).

164647313 is a wasteful number, since it uses less digits than its factorization.

164647313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048866.

The product of its digits is 36288, while the sum is 35.

The square root of 164647313 is about 12831.4969118961. The cubic root of 164647313 is about 548.0895845605.

The spelling of 164647313 in words is "one hundred sixty-four million, six hundred forty-seven thousand, three hundred thirteen".