164205326 has 16 divisors (see below), whose sum is σ = 265310208. Its totient is φ = 75999000.

The previous prime is 164205299. The next prime is 164205341. The reversal of 164205326 is 623502461.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56150 + ... + 59001.

It is an arithmetic number, because the mean of its divisors is an integer number (16581888).

Almost surely, 2^164205326 is an apocalyptic number.

164205326 is a deficient number, since it is larger than the sum of its proper divisors (101104882).

164205326 is a wasteful number, since it uses less digits than its factorization.

164205326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115207.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 164205326 is about 12814.2626007118. The cubic root of 164205326 is about 547.5987058890.

Adding to 164205326 its reverse (623502461), we get a palindrome (787707787).

The spelling of 164205326 in words is "one hundred sixty-four million, two hundred five thousand, three hundred twenty-six".