164725 has 12 divisors (see below), whose sum is σ = 223200. Its totient is φ = 119600.

The previous prime is 164707. The next prime is 164729. The reversal of 164725 is 527461.

164725 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 164725 - 2¹¹ = 162677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 164725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164729) 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, 25 + ... + 574.

It is an arithmetic number, because the mean of its divisors is an integer number (18600).

2¹⁶⁴⁷²⁵ is an apocalyptic number.

It is an amenable number.

164725 is a deficient number, since it is larger than the sum of its proper divisors (58475).

164725 is a wasteful number, since it uses less digits than its factorization.

164725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 615 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 164725 is about 405.8632774716. The cubic root of 164725 is about 54.8175774327.

The spelling of 164725 in words is "one hundred sixty-four thousand, seven hundred twenty-five".