2668303669788 has 576 divisors, whose sum is σ = 7847483212800. Its totient is φ = 782440404480.

The previous prime is 2668303669711. The next prime is 2668303669819. The reversal of 2668303669788 is 8879663038662.

2668303669788 is a `hidden beast` number, since 26 + 6 + 83 + 0 + 366 + 97 + 88 = 666.

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, 3451880170 + ... + 3451880942.

It is an arithmetic number, because the mean of its divisors is an integer number (13624102800).

Almost surely, 2^{2668303669788} 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 2668303669788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3923741606400).

2668303669788 is an abundant number, since it is smaller than the sum of its proper divisors (5179179543012).

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

2668303669788 is a wasteful number, since it uses less digits than its factorization.

2668303669788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 752467968, while the sum is 72.

The spelling of 2668303669788 in words is "two trillion, six hundred sixty-eight billion, three hundred three million, six hundred sixty-nine thousand, seven hundred eighty-eight".