68610201686 has 16 divisors (see below), whose sum is σ = 110867643600. Its totient is φ = 31656024288.

The previous prime is 68610201683. The next prime is 68610201707.

68610201686 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68610201683) 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, 343556 + ... + 505223.

It is an arithmetic number, because the mean of its divisors is an integer number (6929227725).

Almost surely, 2^68610201686 is an apocalyptic number.

68610201686 is a deficient number, since it is larger than the sum of its proper divisors (42257441914).

68610201686 is a wasteful number, since it uses less digits than its factorization.

68610201686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851903.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 68610201686 in words is "sixty-eight billion, six hundred ten million, two hundred one thousand, six hundred eighty-six".