2668589056 has 104 divisors (see below), whose sum is σ = 6147050624. Its totient is φ = 1134673920.

The previous prime is 2668589047. The next prime is 2668589071. The reversal of 2668589056 is 6509858662.

It is a super-2 number, since 2×2668589056² = 14242735099605942272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2668588988 and 2668589006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4673251 + ... + 4673821.

It is an arithmetic number, because the mean of its divisors is an integer number (59106256).

Almost surely, 2^2668589056 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 2668589056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3073525312).

2668589056 is an abundant number, since it is smaller than the sum of its proper divisors (3478461568).

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

2668589056 is an equidigital number, since it uses as much as digits as its factorization.

2668589056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 55.

The square root of 2668589056 is about 51658.3880507319. The cubic root of 2668589056 is about 1387.0556962387.

The spelling of 2668589056 in words is "two billion, six hundred sixty-eight million, five hundred eighty-nine thousand, fifty-six".