68886717161393 has 16 divisors (see below), whose sum is σ = 72477477236736. Its totient is φ = 65346022748160.

The previous prime is 68886717161389. The next prime is 68886717161413. The reversal of 68886717161393 is 39316171768886.

It is a cyclic number.

It is not a de Polignac number, because 68886717161393 - 2² = 68886717161389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68886717161393.

It is not an unprimeable number, because it can be changed into a prime (68886717161893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2299505 + ... + 11960817.

It is an arithmetic number, because the mean of its divisors is an integer number (4529842327296).

Almost surely, 2^{68886717161393} is an apocalyptic number.

It is an amenable number.

68886717161393 is a deficient number, since it is larger than the sum of its proper divisors (3590760075343).

68886717161393 is a wasteful number, since it uses less digits than its factorization.

68886717161393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9663904.

The product of its digits is 438939648, while the sum is 74.

The spelling of 68886717161393 in words is "sixty-eight trillion, eight hundred eighty-six billion, seven hundred seventeen million, one hundred sixty-one thousand, three hundred ninety-three".