2668664448208 has 40 divisors (see below), whose sum is σ = 5640685330176. Its totient is φ = 1213007980800.

The previous prime is 2668664448199. The next prime is 2668664448239. The reversal of 2668664448208 is 8028444668662.

It is a happy number.

2668664448208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2668664448208² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2668664448208.

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, 14409153 + ... + 14593183.

Almost surely, 2^{2668664448208} is an apocalyptic number.

It is an amenable number.

2668664448208 is an abundant number, since it is smaller than the sum of its proper divisors (2972020881968).

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

2668664448208 is a wasteful number, since it uses less digits than its factorization.

2668664448208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266443 (or 266437 counting only the distinct ones).

The product of its (nonzero) digits is 169869312, while the sum is 64.

The spelling of 2668664448208 in words is "two trillion, six hundred sixty-eight billion, six hundred sixty-four million, four hundred forty-eight thousand, two hundred eight".