2668060668 has 192 divisors, whose sum is σ = 7988520960. Its totient is φ = 674085888.

The previous prime is 2668060643. The next prime is 2668060679. The reversal of 2668060668 is 8660608662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5478321 + ... + 5478807.

It is an arithmetic number, because the mean of its divisors is an integer number (41606880).

Almost surely, 2^2668060668 is an apocalyptic number.

2668060668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2668060668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3994260480).

2668060668 is an abundant number, since it is smaller than the sum of its proper divisors (5320460292).

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

2668060668 is a wasteful number, since it uses less digits than its factorization.

2668060668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 2668060668 is about 51653.2735458267. The cubic root of 2668060668 is about 1386.9641432435.

The spelling of 2668060668 in words is "two billion, six hundred sixty-eight million, sixty thousand, six hundred sixty-eight".