68281618286 has 24 divisors (see below), whose sum is σ = 119498058576. Its totient is φ = 29176701120.

The previous prime is 68281618241. The next prime is 68281618289.

68281618286 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68281618289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1000730 + ... + 1066781.

It is an arithmetic number, because the mean of its divisors is an integer number (4979085774).

Almost surely, 2^68281618286 is an apocalyptic number.

68281618286 is a deficient number, since it is larger than the sum of its proper divisors (51216440290).

68281618286 is a wasteful number, since it uses less digits than its factorization.

68281618286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067864 (or 2067857 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 56.

The spelling of 68281618286 in words is "sixty-eight billion, two hundred eighty-one million, six hundred eighteen thousand, two hundred eighty-six".