25061166 has 24 divisors (see below), whose sum is σ = 58476600. Its totient is φ = 7711056.

The previous prime is 25061161. The next prime is 25061167. The reversal of 25061166 is 66116052.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25061161) 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, 53316 + ... + 53783.

It is an arithmetic number, because the mean of its divisors is an integer number (2436525).

Almost surely, 2^25061166 is an apocalyptic number.

25061166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25061166 is an abundant number, since it is smaller than the sum of its proper divisors (33415434).

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

25061166 is a wasteful number, since it uses less digits than its factorization.

25061166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107120 (or 107117 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 25061166 is about 5006.1128632902. The cubic root of 25061166 is about 292.6400468960.

It can be divided in two parts, 250 and 61166, that added together give a palindrome (61416).

The spelling of 25061166 in words is "twenty-five million, sixty-one thousand, one hundred sixty-six".