68117306173 has 8 divisors (see below), whose sum is σ = 77918052992. Its totient is φ = 58333985136.

The previous prime is 68117306141. The next prime is 68117306177. The reversal of 68117306173 is 37160371186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68117306173 - 2⁵ = 68117306141 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 (68117306177) 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 7 ways as a sum of consecutive naturals, for example, 4348065 + ... + 4363702.

It is an arithmetic number, because the mean of its divisors is an integer number (9739756624).

Almost surely, 2^68117306173 is an apocalyptic number.

It is an amenable number.

68117306173 is a deficient number, since it is larger than the sum of its proper divisors (9800746819).

68117306173 is a wasteful number, since it uses less digits than its factorization.

68117306173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8712891.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 68117306173 in words is "sixty-eight billion, one hundred seventeen million, three hundred six thousand, one hundred seventy-three".