2668474485612 has 168 divisors, whose sum is σ = 7562938214160. Its totient is φ = 818584652160.

The previous prime is 2668474485601. The next prime is 2668474485643. The reversal of 2668474485612 is 2165844748662.

It is a happy number.

2668474485612 is a `hidden beast` number, since 2 + 6 + 6 + 8 + 4 + 7 + 4 + 4 + 8 + 5 + 612 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2668474485612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 12441214 + ... + 12653882.

It is an arithmetic number, because the mean of its divisors is an integer number (45017489370).

Almost surely, 2^{2668474485612} 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 2668474485612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3781469107080).

2668474485612 is an abundant number, since it is smaller than the sum of its proper divisors (4894463728548).

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

2668474485612 is a wasteful number, since it uses less digits than its factorization.

2668474485612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213035 (or 213018 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 63.

The spelling of 2668474485612 in words is "two trillion, six hundred sixty-eight billion, four hundred seventy-four million, four hundred eighty-five thousand, six hundred twelve".