25367166 has 72 divisors (see below), whose sum is σ = 63696360. Its totient is φ = 7270560.

The previous prime is 25367161. The next prime is 25367171. The reversal of 25367166 is 66176352.

It is an interprime number because it is at equal distance from previous prime (25367161) and next prime (25367171).

It is a super-2 number, since 2×25367166² = 1286986221743112, which contains 22 as substring.

Its product of digits (45360) is a multiple of the sum of its prime divisors (648).

It is a self number, because there is not a number n which added to its sum of digits gives 25367166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25367161) 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, 41076 + ... + 41688.

Almost surely, 2^25367166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25367166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31848180).

25367166 is an abundant number, since it is smaller than the sum of its proper divisors (38329194).

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

25367166 is a wasteful number, since it uses less digits than its factorization.

25367166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 648 counting only the distinct ones).

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

The square root of 25367166 is about 5036.5827700932. The cubic root of 25367166 is about 293.8262891638.

The spelling of 25367166 in words is "twenty-five million, three hundred sixty-seven thousand, one hundred sixty-six".