259168868 has 48 divisors (see below), whose sum is σ = 538043520. Its totient is φ = 106914816.

The previous prime is 259168867. The next prime is 259168919. The reversal of 259168868 is 868861952.

It is not an unprimeable number, because it can be changed into a prime (259168867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99203 + ... + 101781.

It is an arithmetic number, because the mean of its divisors is an integer number (11209240).

Almost surely, 2^259168868 is an apocalyptic number.

259168868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 259168868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269021760).

259168868 is an abundant number, since it is smaller than the sum of its proper divisors (278874652).

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

259168868 is a wasteful number, since it uses less digits than its factorization.

259168868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724 (or 2722 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 53.

The square root of 259168868 is about 16098.7225580168. The cubic root of 259168868 is about 637.5696137232.

The spelling of 259168868 in words is "two hundred fifty-nine million, one hundred sixty-eight thousand, eight hundred sixty-eight".