6668878060 has 192 divisors, whose sum is σ = 16216381440. Its totient is φ = 2285015040.

The previous prime is 6668878049. The next prime is 6668878063. The reversal of 6668878060 is 608788666.

It is a junction number, because it is equal to n+sod(n) for n = 6668877992 and 6668878010.

It is not an unprimeable number, because it can be changed into a prime (6668878063) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 47977471 + ... + 47977609.

It is an arithmetic number, because the mean of its divisors is an integer number (84460320).

Almost surely, 2^6668878060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6668878060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8108190720).

6668878060 is an abundant number, since it is smaller than the sum of its proper divisors (9547503380).

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

6668878060 is a wasteful number, since it uses less digits than its factorization.

6668878060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The square root of 6668878060 is about 81663.1989331792. The cubic root of 6668878060 is about 1882.2801348368.

The spelling of 6668878060 in words is "six billion, six hundred sixty-eight million, eight hundred seventy-eight thousand, sixty".