2668846606644 has 24 divisors (see below), whose sum is σ = 6555061841440. Its totient is φ = 842793665184.

The previous prime is 2668846606639. The next prime is 2668846606733. The reversal of 2668846606644 is 4466066488662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5852733559 + ... + 5852734014.

Almost surely, 2^{2668846606644} is an apocalyptic number.

It is an amenable number.

2668846606644 is an abundant number, since it is smaller than the sum of its proper divisors (3886215234796).

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

2668846606644 is a wasteful number, since it uses less digits than its factorization.

2668846606644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11705467599 (or 11705467597 counting only the distinct ones).

The product of its (nonzero) digits is 382205952, while the sum is 66.

The spelling of 2668846606644 in words is "two trillion, six hundred sixty-eight billion, eight hundred forty-six million, six hundred six thousand, six hundred forty-four".