2668956476550 has 384 divisors, whose sum is σ = 8570301465600. Its totient is φ = 534482565120.

The previous prime is 2668956476509. The next prime is 2668956476587. The reversal of 2668956476550 is 556746598662.

2668956476550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 23298012 + ... + 23412288.

It is an arithmetic number, because the mean of its divisors is an integer number (22318493400).

Almost surely, 2^{2668956476550} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2668956476550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4285150732800).

2668956476550 is an abundant number, since it is smaller than the sum of its proper divisors (5901344989050).

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

2668956476550 is a wasteful number, since it uses less digits than its factorization.

2668956476550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114400 (or 114395 counting only the distinct ones).

The product of its (nonzero) digits is 653184000, while the sum is 69.

The spelling of 2668956476550 in words is "two trillion, six hundred sixty-eight billion, nine hundred fifty-six million, four hundred seventy-six thousand, five hundred fifty".