66184471008 has 384 divisors, whose sum is σ = 207886694400. Its totient is φ = 20437401600.

The previous prime is 66184470917. The next prime is 66184471013. The reversal of 66184471008 is 80017448166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86065248 + ... + 86066016.

It is an arithmetic number, because the mean of its divisors is an integer number (541371600).

Almost surely, 2^66184471008 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 66184471008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103943347200).

66184471008 is an abundant number, since it is smaller than the sum of its proper divisors (141702223392).

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

66184471008 is a wasteful number, since it uses less digits than its factorization.

66184471008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 66184471008 in words is "sixty-six billion, one hundred eighty-four million, four hundred seventy-one thousand, eight".