65585756612 has 12 divisors (see below), whose sum is σ = 114786893760. Its totient is φ = 32789501256.

The previous prime is 65585756591. The next prime is 65585756617. The reversal of 65585756612 is 21665758556.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (65585756617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800312 + ... + 878447.

It is an arithmetic number, because the mean of its divisors is an integer number (9565574480).

Almost surely, 2^65585756612 is an apocalyptic number.

It is an amenable number.

65585756612 is a deficient number, since it is larger than the sum of its proper divisors (49201137148).

65585756612 is a wasteful number, since it uses less digits than its factorization.

65585756612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688530 (or 1688528 counting only the distinct ones).

The product of its digits is 15120000, while the sum is 56.

The spelling of 65585756612 in words is "sixty-five billion, five hundred eighty-five million, seven hundred fifty-six thousand, six hundred twelve".