25140166 has 8 divisors (see below), whose sum is σ = 37731960. Its totient is φ = 12562848.

The previous prime is 25140149. The next prime is 25140197. The reversal of 25140166 is 66104152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25140166.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3625 + ... + 7963.

It is an arithmetic number, because the mean of its divisors is an integer number (4716495).

Almost surely, 2^25140166 is an apocalyptic number.

25140166 is a deficient number, since it is larger than the sum of its proper divisors (12591794).

25140166 is a wasteful number, since it uses less digits than its factorization.

25140166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 25140166 is about 5013.9970083757. The cubic root of 25140166 is about 292.9472195423.

The spelling of 25140166 in words is "twenty-five million, one hundred forty thousand, one hundred sixty-six".