5657444447566 has 32 divisors (see below), whose sum is σ = 8847005626368. Its totient is φ = 2710269270720.

The previous prime is 5657444447513. The next prime is 5657444447623. The reversal of 5657444447566 is 6657444447565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28145130 + ... + 28345426.

It is an arithmetic number, because the mean of its divisors is an integer number (276468925824).

Almost surely, 2^{5657444447566} is an apocalyptic number.

5657444447566 is a deficient number, since it is larger than the sum of its proper divisors (3189561178802).

5657444447566 is a wasteful number, since it uses less digits than its factorization.

5657444447566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204856.

The product of its digits is 1354752000, while the sum is 67.

Subtracting 5657444447566 from its reverse (6657444447565), we obtain a palindrome (999999999999).

The spelling of 5657444447566 in words is "five trillion, six hundred fifty-seven billion, four hundred forty-four million, four hundred forty-seven thousand, five hundred sixty-six".