2668532345968 has 40 divisors (see below), whose sum is σ = 5245132523168. Its totient is φ = 1314977836032.

The previous prime is 2668532345959. The next prime is 2668532345989. The reversal of 2668532345968 is 8695432358662.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645196 + ... + 2398612.

Almost surely, 2^{2668532345968} is an apocalyptic number.

It is an amenable number.

2668532345968 is a deficient number, since it is larger than the sum of its proper divisors (2576600177200).

2668532345968 is a wasteful number, since it uses less digits than its factorization.

2668532345968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754801 (or 1754795 counting only the distinct ones).

The product of its digits is 447897600, while the sum is 67.

The spelling of 2668532345968 in words is "two trillion, six hundred sixty-eight billion, five hundred thirty-two million, three hundred forty-five thousand, nine hundred sixty-eight".