65688946 has 8 divisors (see below), whose sum is σ = 98570880. Its totient is φ = 32831988.

The previous prime is 65688937. The next prime is 65688967. The reversal of 65688946 is 64988656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 65688893 and 65688902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3175 + ... + 11893.

It is an arithmetic number, because the mean of its divisors is an integer number (12321360).

Almost surely, 2^65688946 is an apocalyptic number.

65688946 is a deficient number, since it is larger than the sum of its proper divisors (32881934).

65688946 is a wasteful number, since it uses less digits than its factorization.

65688946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12488.

The product of its digits is 2488320, while the sum is 52.

The square root of 65688946 is about 8104.8717448211. The cubic root of 65688946 is about 403.4881314305.

The spelling of 65688946 in words is "sixty-five million, six hundred eighty-eight thousand, nine hundred forty-six".