68604566540686 has 12 divisors (see below), whose sum is σ = 113112487809216. Its totient is φ = 31183893882020.

The previous prime is 68604566540617. The next prime is 68604566540693.

68604566540686 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141744971950 + ... + 141744972433.

It is an arithmetic number, because the mean of its divisors is an integer number (9426040650768).

Almost surely, 2^{68604566540686} is an apocalyptic number.

68604566540686 is a deficient number, since it is larger than the sum of its proper divisors (44507921268530).

68604566540686 is a wasteful number, since it uses less digits than its factorization.

68604566540686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283489944407 (or 283489944396 counting only the distinct ones).

The product of its (nonzero) digits is 1194393600, while the sum is 70.

The spelling of 68604566540686 in words is "sixty-eight trillion, six hundred four billion, five hundred sixty-six million, five hundred forty thousand, six hundred eighty-six".