66484688850708 has 24 divisors (see below), whose sum is σ = 155139128807712. Its totient is φ = 22160393213664.

The previous prime is 66484688850707. The next prime is 66484688850733. The reversal of 66484688850708 is 80705888648466.

66484688850708 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 (66484688850707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145980235 + ... + 146434962.

It is an arithmetic number, because the mean of its divisors is an integer number (6464130366988).

Almost surely, 2^{66484688850708} is an apocalyptic number.

It is an amenable number.

66484688850708 is an abundant number, since it is smaller than the sum of its proper divisors (88654439957004).

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

66484688850708 is a wasteful number, since it uses less digits than its factorization.

66484688850708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292434151 (or 292434149 counting only the distinct ones).

The product of its (nonzero) digits is 3963617280, while the sum is 78.

The spelling of 66484688850708 in words is "sixty-six trillion, four hundred eighty-four billion, six hundred eighty-eight million, eight hundred fifty thousand, seven hundred eight".