68306866331626 has 16 divisors (see below), whose sum is σ = 110491173424800. Its totient is φ = 31483585305648.

The previous prime is 68306866331623. The next prime is 68306866331633. The reversal of 68306866331626 is 62613366860386.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68306866331623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777509316 + ... + 1777547743.

It is an arithmetic number, because the mean of its divisors is an integer number (6905698339050).

Almost surely, 2^{68306866331626} is an apocalyptic number.

68306866331626 is a deficient number, since it is larger than the sum of its proper divisors (42184307093174).

68306866331626 is a wasteful number, since it uses less digits than its factorization.

68306866331626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555057813.

The product of its (nonzero) digits is 161243136, while the sum is 64.

The spelling of 68306866331626 in words is "sixty-eight trillion, three hundred six billion, eight hundred sixty-six million, three hundred thirty-one thousand, six hundred twenty-six".