65944368 has 120 divisors (see below), whose sum is σ = 218819328. Its totient is φ = 18833472.

The previous prime is 65944367. The next prime is 65944393. The reversal of 65944368 is 86344956.

It is not an unprimeable number, because it can be changed into a prime (65944363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26005 + ... + 28427.

Almost surely, 2^65944368 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 65944368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109409664).

65944368 is an abundant number, since it is smaller than the sum of its proper divisors (152874960).

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

65944368 is a wasteful number, since it uses less digits than its factorization.

65944368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453 (or 2435 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 65944368 is about 8120.6137699068. The cubic root of 65944368 is about 404.0104235457.

The spelling of 65944368 in words is "sixty-five million, nine hundred forty-four thousand, three hundred sixty-eight".