164000225 has 12 divisors (see below), whose sum is σ = 204141696. Its totient is φ = 130696080.

The previous prime is 164000219. The next prime is 164000227. The reversal of 164000225 is 522000461.

It is a happy number.

164000225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164000225 - 2⁴ = 164000209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164000197 and 164000206.

It is not an unprimeable number, because it can be changed into a prime (164000227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5897 + ... + 19046.

It is an arithmetic number, because the mean of its divisors is an integer number (17011808).

Almost surely, 2^164000225 is an apocalyptic number.

It is an amenable number.

164000225 is a deficient number, since it is larger than the sum of its proper divisors (40141471).

164000225 is a wasteful number, since it uses less digits than its factorization.

164000225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25216 (or 25211 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 164000225 is about 12806.2572596368. The cubic root of 164000225 is about 547.3706178015.

Adding to 164000225 its reverse (522000461), we get a palindrome (686000686).

The spelling of 164000225 in words is "one hundred sixty-four million, two hundred twenty-five", and thus it is an aban number.