6654440444566 has 16 divisors (see below), whose sum is σ = 9988168142160. Its totient is φ = 3325051588320.

The previous prime is 6654440444539. The next prime is 6654440444573.

6654440444566 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6654440444566.

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, 26098456 + ... + 26352196.

It is an arithmetic number, because the mean of its divisors is an integer number (624260508885).

Almost surely, 2^{6654440444566} is an apocalyptic number.

6654440444566 is a deficient number, since it is larger than the sum of its proper divisors (3333727697594).

6654440444566 is a wasteful number, since it uses less digits than its factorization.

6654440444566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262239.

The product of its (nonzero) digits is 132710400, while the sum is 58.

The spelling of 6654440444566 in words is "six trillion, six hundred fifty-four billion, four hundred forty million, four hundred forty-four thousand, five hundred sixty-six".