68113586671 has 4 divisors (see below), whose sum is σ = 73353093352. Its totient is φ = 62874079992.

The previous prime is 68113586669. The next prime is 68113586683. The reversal of 68113586671 is 17668531186.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68113586671 - 2¹ = 68113586669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68113586071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2619753321 + ... + 2619753346.

It is an arithmetic number, because the mean of its divisors is an integer number (18338273338).

Almost surely, 2^68113586671 is an apocalyptic number.

68113586671 is a deficient number, since it is larger than the sum of its proper divisors (5239506681).

68113586671 is a wasteful number, since it uses less digits than its factorization.

68113586671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5239506680.

The product of its digits is 1451520, while the sum is 52.

The spelling of 68113586671 in words is "sixty-eight billion, one hundred thirteen million, five hundred eighty-six thousand, six hundred seventy-one".