66789055873224 has 96 divisors (see below), whose sum is σ = 188979369508800. Its totient is φ = 21269373206400.

The previous prime is 66789055873153. The next prime is 66789055873273. The reversal of 66789055873224 is 42237855098766.

66789055873224 is a `hidden beast` number, since 6 + 6 + 7 + 8 + 9 + 0 + 5 + 587 + 32 + 2 + 4 = 666.

66789055873224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 22952602 + ... + 25698249.

It is an arithmetic number, because the mean of its divisors is an integer number (1968535099050).

Almost surely, 2^{66789055873224} is an apocalyptic number.

It is an amenable number.

66789055873224 is an abundant number, since it is smaller than the sum of its proper divisors (122190313635576).

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

66789055873224 is a wasteful number, since it uses less digits than its factorization.

66789055873224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48651715 (or 48651708 counting only the distinct ones).

The product of its (nonzero) digits is 1219276800, while the sum is 72.

The spelling of 66789055873224 in words is "sixty-six trillion, seven hundred eighty-nine billion, fifty-five million, eight hundred seventy-three thousand, two hundred twenty-four".