26168172 has 12 divisors (see below), whose sum is σ = 61059096. Its totient is φ = 8722720.

The previous prime is 26168159. The next prime is 26168203. The reversal of 26168172 is 27186162.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090329 + ... + 1090352.

It is an arithmetic number, because the mean of its divisors is an integer number (5088258).

Almost surely, 2^26168172 is an apocalyptic number.

It is an amenable number.

26168172 is an abundant number, since it is smaller than the sum of its proper divisors (34890924).

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

26168172 is a wasteful number, since it uses less digits than its factorization.

26168172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180688 (or 2180686 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 26168172 is about 5115.4835548558. The cubic root of 26168172 is about 296.8869639795.

The spelling of 26168172 in words is "twenty-six million, one hundred sixty-eight thousand, one hundred seventy-two".