68565056586 has 24 divisors (see below), whose sum is σ = 148490006400. Its totient is φ = 21096940176.

The previous prime is 68565056561. The next prime is 68565056587.

68565056586 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (68565056587) 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 11 ways as a sum of consecutive naturals, for example, 33808186 + ... + 33810213.

It is an arithmetic number, because the mean of its divisors is an integer number (6187083600).

Almost surely, 2^68565056586 is an apocalyptic number.

68565056586 is an abundant number, since it is smaller than the sum of its proper divisors (79924949814).

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

68565056586 is a wasteful number, since it uses less digits than its factorization.

68565056586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67618430 (or 67618417 counting only the distinct ones).

The product of its (nonzero) digits is 51840000, while the sum is 60.

The spelling of 68565056586 in words is "sixty-eight billion, five hundred sixty-five million, fifty-six thousand, five hundred eighty-six".