4068668856 has 32 divisors (see below), whose sum is σ = 11624768640. Its totient is φ = 1162476768.

The previous prime is 4068668839. The next prime is 4068668869. The reversal of 4068668856 is 6588668604.

It is a junction number, because it is equal to n+sod(n) for n = 4068668796 and 4068668805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12108966 + ... + 12109301.

It is an arithmetic number, because the mean of its divisors is an integer number (363274020).

Almost surely, 2^4068668856 is an apocalyptic number.

It is an amenable number.

4068668856 is an abundant number, since it is smaller than the sum of its proper divisors (7556099784).

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

4068668856 is a wasteful number, since it uses less digits than its factorization.

4068668856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24218283 (or 24218279 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 57.

The square root of 4068668856 is about 63786.1180508737. The cubic root of 4068668856 is about 1596.4333124119.

The spelling of 4068668856 in words is "four billion, sixty-eight million, six hundred sixty-eight thousand, eight hundred fifty-six".