68082940806 has 32 divisors (see below), whose sum is σ = 148275014400. Its totient is φ = 20758500000.

The previous prime is 68082940801. The next prime is 68082940831. The reversal of 68082940806 is 60804928086.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68082940801) 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, 10293570 + ... + 10300181.

It is an arithmetic number, because the mean of its divisors is an integer number (4633594200).

Almost surely, 2^68082940806 is an apocalyptic number.

68082940806 is an abundant number, since it is smaller than the sum of its proper divisors (80192073594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68082940806 is a wasteful number, since it uses less digits than its factorization.

68082940806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20593804.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 68082940806 in words is "sixty-eight billion, eighty-two million, nine hundred forty thousand, eight hundred six".