66344244244 has 24 divisors (see below), whose sum is σ = 118729951200. Its totient is φ = 32427684000.

The previous prime is 66344244227. The next prime is 66344244277. The reversal of 66344244244 is 44244244366.

66344244244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66344244244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743007 + ... + 827494.

It is an arithmetic number, because the mean of its divisors is an integer number (4947081300).

Almost surely, 2^66344244244 is an apocalyptic number.

It is an amenable number.

66344244244 is a deficient number, since it is larger than the sum of its proper divisors (52385706956).

66344244244 is a wasteful number, since it uses less digits than its factorization.

66344244244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570743 (or 1570741 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 43.

The spelling of 66344244244 in words is "sixty-six billion, three hundred forty-four million, two hundred forty-four thousand, two hundred forty-four".