164342325 has 72 divisors (see below), whose sum is σ = 319077792. Its totient is φ = 74417280.

The previous prime is 164342287. The next prime is 164342329. The reversal of 164342325 is 523243461.

It is not a de Polignac number, because 164342325 - 2⁶ = 164342261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164342292 and 164342301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164342329) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 723862 + ... + 724088.

It is an arithmetic number, because the mean of its divisors is an integer number (4431636).

Almost surely, 2^164342325 is an apocalyptic number.

164342325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164342325 is a deficient number, since it is larger than the sum of its proper divisors (154735467).

164342325 is a wasteful number, since it uses less digits than its factorization.

164342325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 439 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 164342325 is about 12819.6070532603. The cubic root of 164342325 is about 547.7509535313.

Adding to 164342325 its reverse (523243461), we get a palindrome (687585786).

The spelling of 164342325 in words is "one hundred sixty-four million, three hundred forty-two thousand, three hundred twenty-five".