2668888960 has 128 divisors (see below), whose sum is σ = 6768720000. Its totient is φ = 1003456512.

The previous prime is 2668888951. The next prime is 2668888991. The reversal of 2668888960 is 698888662.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1689451 + ... + 1691029.

It is an arithmetic number, because the mean of its divisors is an integer number (52880625).

Almost surely, 2^2668888960 is an apocalyptic number.

2668888960 is a gapful number since it is divisible by the number (20) 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 2668888960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3384360000).

2668888960 is an abundant number, since it is smaller than the sum of its proper divisors (4099831040).

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

2668888960 is a wasteful number, since it uses less digits than its factorization.

2668888960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756 (or 1744 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 61.

The square root of 2668888960 is about 51661.2907310687. The cubic root of 2668888960 is about 1387.1076547781.

The spelling of 2668888960 in words is "two billion, six hundred sixty-eight million, eight hundred eighty-eight thousand, nine hundred sixty".