2660709168 has 480 divisors, whose sum is σ = 9308779200. Its totient is φ = 719953920.

The previous prime is 2660709157. The next prime is 2660709169. The reversal of 2660709168 is 8619070662.

2660709168 is a `hidden beast` number, since 26 + 607 + 0 + 9 + 16 + 8 = 666.

2660709168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2660709169) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 85829313 + ... + 85829343.

It is an arithmetic number, because the mean of its divisors is an integer number (19393290).

Almost surely, 2^2660709168 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 2660709168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4654389600).

2660709168 is an abundant number, since it is smaller than the sum of its proper divisors (6648070032).

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

2660709168 is a wasteful number, since it uses less digits than its factorization.

2660709168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2660709168 is about 51582.0624636123. The cubic root of 2660709168 is about 1385.6891040087.

The spelling of 2660709168 in words is "two billion, six hundred sixty million, seven hundred nine thousand, one hundred sixty-eight".