65583712966 has 16 divisors (see below), whose sum is σ = 98714554848. Its totient is φ = 32678910400.

The previous prime is 65583712951. The next prime is 65583712969. The reversal of 65583712966 is 66921738556.

It is a self number, because there is not a number n which added to its sum of digits gives 65583712966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65583712969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3531786 + ... + 3550306.

It is an arithmetic number, because the mean of its divisors is an integer number (6169659678).

Almost surely, 2^65583712966 is an apocalyptic number.

65583712966 is a deficient number, since it is larger than the sum of its proper divisors (33130841882).

65583712966 is a wasteful number, since it uses less digits than its factorization.

65583712966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24527.

The product of its digits is 16329600, while the sum is 58.

The spelling of 65583712966 in words is "sixty-five billion, five hundred eighty-three million, seven hundred twelve thousand, nine hundred sixty-six".