6644582854466 has 8 divisors (see below), whose sum is σ = 10198662055824. Its totient is φ = 3245028835860.

The previous prime is 6644582854457. The next prime is 6644582854487.

6644582854466 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6644582854466² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6644582854396 and 6644582854405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38631295580 + ... + 38631295751.

It is an arithmetic number, because the mean of its divisors is an integer number (1274832756978).

Almost surely, 2^{6644582854466} is an apocalyptic number.

6644582854466 is a deficient number, since it is larger than the sum of its proper divisors (3554079201358).

6644582854466 is a wasteful number, since it uses less digits than its factorization.

6644582854466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77262591376.

The product of its digits is 1061683200, while the sum is 68.

The spelling of 6644582854466 in words is "six trillion, six hundred forty-four billion, five hundred eighty-two million, eight hundred fifty-four thousand, four hundred sixty-six".