66086244312 has 128 divisors (see below), whose sum is σ = 190979389440. Its totient is φ = 18834094080.

The previous prime is 66086244311. The next prime is 66086244317. The reversal of 66086244312 is 21344268066.

66086244312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66086244311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7027998 + ... + 7037394.

It is an arithmetic number, because the mean of its divisors is an integer number (1492026480).

Almost surely, 2^66086244312 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 66086244312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95489694720).

66086244312 is an abundant number, since it is smaller than the sum of its proper divisors (124893145128).

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

66086244312 is a wasteful number, since it uses less digits than its factorization.

66086244312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001 (or 10997 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 66086244312 in words is "sixty-six billion, eighty-six million, two hundred forty-four thousand, three hundred twelve".