68611796065 has 8 divisors (see below), whose sum is σ = 82430009280. Its totient is φ = 54825534192.

The previous prime is 68611796063. The next prime is 68611796069. The reversal of 68611796065 is 56069711686.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68611796065 - 2¹ = 68611796063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68611795997 and 68611796015.

It is not an unprimeable number, because it can be changed into a prime (68611796063) 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, 7983109 + ... + 7991698.

It is an arithmetic number, because the mean of its divisors is an integer number (10303751160).

Almost surely, 2^68611796065 is an apocalyptic number.

It is an amenable number.

68611796065 is a deficient number, since it is larger than the sum of its proper divisors (13818213215).

68611796065 is a wasteful number, since it uses less digits than its factorization.

68611796065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15975671.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 68611796065 in words is "sixty-eight billion, six hundred eleven million, seven hundred ninety-six thousand, sixty-five".