65716656 has 20 divisors (see below), whose sum is σ = 169768152. Its totient is φ = 21905536.

The previous prime is 65716643. The next prime is 65716657. The reversal of 65716656 is 65661756.

65716656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65716657) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 684501 + ... + 684596.

Almost surely, 2^65716656 is an apocalyptic number.

It is an amenable number.

65716656 is an abundant number, since it is smaller than the sum of its proper divisors (104051496).

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

65716656 is a wasteful number, since it uses less digits than its factorization.

65716656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369108 (or 1369102 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 65716656 is about 8106.5810302494. The cubic root of 65716656 is about 403.5448588052.

The spelling of 65716656 in words is "sixty-five million, seven hundred sixteen thousand, six hundred fifty-six".