65789168 has 40 divisors (see below), whose sum is σ = 133786080. Its totient is φ = 31297280.

The previous prime is 65789159. The next prime is 65789209. The reversal of 65789168 is 86198756.

It is a happy number.

It is a super-2 number, since 2×65789168² = 8656429252264448, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 31946 + ... + 33942.

It is an arithmetic number, because the mean of its divisors is an integer number (3344652).

Almost surely, 2^65789168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65789168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66893040).

65789168 is an abundant number, since it is smaller than the sum of its proper divisors (67996912).

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

65789168 is a wasteful number, since it uses less digits than its factorization.

65789168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105 (or 2099 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 65789168 is about 8111.0522128760. The cubic root of 65789168 is about 403.6932285419.

The spelling of 65789168 in words is "sixty-five million, seven hundred eighty-nine thousand, one hundred sixty-eight".