66060945243792 has 480 divisors, whose sum is σ = 198159040759680. Its totient is φ = 21296411136000.

The previous prime is 66060945243791. The next prime is 66060945243851. The reversal of 66060945243792 is 29734254906066.

66060945243792 is a `hidden beast` number, since 6 + 6 + 0 + 60 + 9 + 4 + 52 + 437 + 92 = 666.

It is not an unprimeable number, because it can be changed into a prime (66060945243791) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3820530667 + ... + 3820547957.

It is an arithmetic number, because the mean of its divisors is an integer number (412831334916).

Almost surely, 2^{66060945243792} 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 66060945243792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99079520379840).

66060945243792 is an abundant number, since it is smaller than the sum of its proper divisors (132098095515888).

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

66060945243792 is a wasteful number, since it uses less digits than its factorization.

66060945243792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17645 (or 17627 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 63.

The spelling of 66060945243792 in words is "sixty-six trillion, sixty billion, nine hundred forty-five million, two hundred forty-three thousand, seven hundred ninety-two".