25952166 has 24 divisors (see below), whose sum is σ = 59538024. Its totient is φ = 8141760.

The previous prime is 25952161. The next prime is 25952203. The reversal of 25952166 is 66125952.

25952166 is a `hidden beast` number, since 2 + 595 + 2 + 1 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 25952166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25952161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42100 + ... + 42711.

It is an arithmetic number, because the mean of its divisors is an integer number (2480751).

Almost surely, 2^25952166 is an apocalyptic number.

25952166 is an abundant number, since it is smaller than the sum of its proper divisors (33585858).

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

25952166 is a wasteful number, since it uses less digits than its factorization.

25952166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84836 (or 84833 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 25952166 is about 5094.3268446381. The cubic root of 25952166 is about 296.0678183417.

It can be divided in two parts, 2595 and 2166, that added together give a square (4761 = 69²).

The spelling of 25952166 in words is "twenty-five million, nine hundred fifty-two thousand, one hundred sixty-six".