66370126220000 has 240 divisors, whose sum is σ = 165936841963200. Its totient is φ = 26118543360000.

The previous prime is 66370126219931. The next prime is 66370126220023. The reversal of 66370126220000 is 2262107366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 443905256 + ... + 444054744.

It is an arithmetic number, because the mean of its divisors is an integer number (691403508180).

Almost surely, 2^{66370126220000} 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 66370126220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82968420981600).

66370126220000 is an abundant number, since it is smaller than the sum of its proper divisors (99566715743200).

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

66370126220000 is a wasteful number, since it uses less digits than its factorization.

66370126220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149879 (or 149856 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

Adding to 66370126220000 its reverse (2262107366), we get a palindrome (66372388327366).

The spelling of 66370126220000 in words is "sixty-six trillion, three hundred seventy billion, one hundred twenty-six million, two hundred twenty thousand".