65943696 has 160 divisors (see below), whose sum is σ = 216875008. Its totient is φ = 16796160.

The previous prime is 65943677. The next prime is 65943707. The reversal of 65943696 is 69634956.

It is a happy number.

65943696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135165 + ... + 135651.

Almost surely, 2^65943696 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 65943696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108437504).

65943696 is an abundant number, since it is smaller than the sum of its proper divisors (150931312).

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

65943696 is a wasteful number, since it uses less digits than its factorization.

65943696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 543 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 48.

The square root of 65943696 is about 8120.5723936186. The cubic root of 65943696 is about 404.0090511974.

The spelling of 65943696 in words is "sixty-five million, nine hundred forty-three thousand, six hundred ninety-six".