65680099008656 has 80 divisors (see below), whose sum is σ = 143074268494080. Its totient is φ = 28950510879360.

The previous prime is 65680099008653. The next prime is 65680099008673.

65680099008656 is nontrivially palindromic in base 10.

65680099008656 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 (65680099008653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30166250 + ... + 32270153.

It is an arithmetic number, because the mean of its divisors is an integer number (1788428356176).

Almost surely, 2^{65680099008656} is an apocalyptic number.

It is an amenable number.

65680099008656 is an abundant number, since it is smaller than the sum of its proper divisors (77394169485424).

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

65680099008656 is a wasteful number, since it uses less digits than its factorization.

65680099008656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62436604 (or 62436598 counting only the distinct ones).

The product of its (nonzero) digits is 167961600, while the sum is 68.

The spelling of 65680099008656 in words is "sixty-five trillion, six hundred eighty billion, ninety-nine million, eight thousand, six hundred fifty-six".