65766716 has 12 divisors (see below), whose sum is σ = 115971240. Its totient is φ = 32632080.

The previous prime is 65766707. The next prime is 65766719. The reversal of 65766716 is 61766756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65766719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62231 + ... + 63278.

It is an arithmetic number, because the mean of its divisors is an integer number (9664270).

Almost surely, 2^65766716 is an apocalyptic number.

It is an amenable number.

65766716 is a deficient number, since it is larger than the sum of its proper divisors (50204524).

65766716 is a wasteful number, since it uses less digits than its factorization.

65766716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125644 (or 125642 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The square root of 65766716 is about 8109.6680573252. The cubic root of 65766716 is about 403.6473002536.

The spelling of 65766716 in words is "sixty-five million, seven hundred sixty-six thousand, seven hundred sixteen".