68680564241 has 8 divisors (see below), whose sum is σ = 72351705120. Its totient is φ = 65015060832.

The previous prime is 68680564207. The next prime is 68680564243. The reversal of 68680564241 is 14246508686.

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 68680564241 - 2⁶ = 68680564177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68680564241.

It is not an unprimeable number, because it can be changed into a prime (68680564243) 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, 1384340 + ... + 1433093.

It is an arithmetic number, because the mean of its divisors is an integer number (9043963140).

Almost surely, 2^68680564241 is an apocalyptic number.

It is an amenable number.

68680564241 is a deficient number, since it is larger than the sum of its proper divisors (3671140879).

68680564241 is a wasteful number, since it uses less digits than its factorization.

68680564241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818735.

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 68680564241 in words is "sixty-eight billion, six hundred eighty million, five hundred sixty-four thousand, two hundred forty-one".