66068869950000 has 360 divisors, whose sum is σ = 231168673008000. Its totient is φ = 17614010880000.

The previous prime is 66068869949987. The next prime is 66068869950047. The reversal of 66068869950000 is 5996886066.

66068869950000 is a `hidden beast` number, since 6 + 6 + 0 + 68 + 8 + 69 + 9 + 500 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a self number, because there is not a number n which added to its sum of digits gives 66068869950000.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2087534176 + ... + 2087565824.

It is an arithmetic number, because the mean of its divisors is an integer number (642135202800).

Almost surely, 2^{66068869950000} is an apocalyptic number.

66068869950000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66068869950000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115584336504000).

66068869950000 is an abundant number, since it is smaller than the sum of its proper divisors (165099803058000).

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

66068869950000 is a wasteful number, since it uses less digits than its factorization.

66068869950000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36327 (or 36298 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 66068869950000 in words is "sixty-six trillion, sixty-eight billion, eight hundred sixty-nine million, nine hundred fifty thousand".