164622325 has 24 divisors (see below), whose sum is σ = 235584128. Its totient is φ = 111775680.

The previous prime is 164622319. The next prime is 164622349. The reversal of 164622325 is 523226461.

It is not a de Polignac number, because 164622325 - 2³ = 164622317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13459 + ... + 22591.

Almost surely, 2^164622325 is an apocalyptic number.

It is an amenable number.

164622325 is a deficient number, since it is larger than the sum of its proper divisors (70961803).

164622325 is a wasteful number, since it uses less digits than its factorization.

164622325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9253 (or 9248 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 164622325 is about 12830.5231771740. The cubic root of 164622325 is about 548.0618558856.

Adding to 164622325 its reverse (523226461), we get a palindrome (687848786).

The spelling of 164622325 in words is "one hundred sixty-four million, six hundred twenty-two thousand, three hundred twenty-five".