1725323166 has 160 divisors (see below), whose sum is σ = 4830769152. Its totient is φ = 448830720.

The previous prime is 1725323161. The next prime is 1725323179. The reversal of 1725323166 is 6613235271.

1725323166 is a `hidden beast` number, since 172 + 5 + 323 + 166 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1725323166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1725323161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 596175 + ... + 599061.

Almost surely, 2^1725323166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1725323166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2415384576).

1725323166 is an abundant number, since it is smaller than the sum of its proper divisors (3105445986).

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

1725323166 is a wasteful number, since it uses less digits than its factorization.

1725323166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956 (or 2947 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 1725323166 is about 41537.0095938550. The cubic root of 1725323166 is about 1199.3800422655.

The spelling of 1725323166 in words is "one billion, seven hundred twenty-five million, three hundred twenty-three thousand, one hundred sixty-six".