164573325 has 36 divisors (see below), whose sum is σ = 336882208. Its totient is φ = 75232800.

The previous prime is 164573309. The next prime is 164573329. The reversal of 164573325 is 523375461.

164573325 is a `hidden beast` number, since 1 + 64 + 573 + 3 + 25 = 666.

164573325 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 164573325 - 2⁴ = 164573309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 164573325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164573329) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50671 + ... + 53820.

Almost surely, 2^164573325 is an apocalyptic number.

164573325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164573325 is an abundant number, since it is smaller than the sum of its proper divisors (172308883).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164573325 is a wasteful number, since it uses less digits than its factorization.

164573325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104514 (or 104506 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 164573325 is about 12828.6135260207. The cubic root of 164573325 is about 548.0074734360.

The spelling of 164573325 in words is "one hundred sixty-four million, five hundred seventy-three thousand, three hundred twenty-five".