164316346213 has 4 divisors (see below), whose sum is σ = 164317304268. Its totient is φ = 164315388160.

The previous prime is 164316346169. The next prime is 164316346219. The reversal of 164316346213 is 312643613461.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 312643613461 = 1361 ⋅229716101.

It can be written as a sum of positive squares in 2 ways, for example, as 245172964 + 164071173249 = 15658^2 + 405057^2 .

It is a cyclic number.

It is not a de Polignac number, because 164316346213 - 2⁹ = 164316345701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164316346219) 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, 143356 + ... + 590917.

It is an arithmetic number, because the mean of its divisors is an integer number (41079326067).

Almost surely, 2^164316346213 is an apocalyptic number.

It is an amenable number.

164316346213 is a deficient number, since it is larger than the sum of its proper divisors (958055).

164316346213 is an equidigital number, since it uses as much as digits as its factorization.

164316346213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958054.

The product of its digits is 186624, while the sum is 40.

Adding to 164316346213 its reverse (312643613461), we get a palindrome (476959959674).

The spelling of 164316346213 in words is "one hundred sixty-four billion, three hundred sixteen million, three hundred forty-six thousand, two hundred thirteen".