557240616566 has 16 divisors (see below), whose sum is σ = 885501835344. Its totient is φ = 262090842624.

The previous prime is 557240616473. The next prime is 557240616571. The reversal of 557240616566 is 665616042755.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4311500 + ... + 4438863.

It is an arithmetic number, because the mean of its divisors is an integer number (55343864709).

Almost surely, 2^557240616566 is an apocalyptic number.

557240616566 is a deficient number, since it is larger than the sum of its proper divisors (328261218778).

557240616566 is a wasteful number, since it uses less digits than its factorization.

557240616566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8752255.

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 557240616566 in words is "five hundred fifty-seven billion, two hundred forty million, six hundred sixteen thousand, five hundred sixty-six".