65608 has 16 divisors (see below), whose sum is σ = 126000. Its totient is φ = 32016.

The previous prime is 65599. The next prime is 65609. The reversal of 65608 is 80656.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (65609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403 + ... + 541.

It is an arithmetic number, because the mean of its divisors is an integer number (7875).

2⁶⁵⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

65608 is a deficient number, since it is larger than the sum of its proper divisors (60392).

65608 is a wasteful number, since it uses less digits than its factorization.

65608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 200 counting only the distinct ones).

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

The square root of 65608 is about 256.1405863974. The cubic root of 65608 is about 40.3322328927.

The spelling of 65608 in words is "sixty-five thousand, six hundred eight".