557356566506 has 16 divisors (see below), whose sum is σ = 848732722560. Its totient is φ = 274454202960.

The previous prime is 557356566499. The next prime is 557356566509. The reversal of 557356566506 is 605665653755.

It is not an unprimeable number, because it can be changed into a prime (557356566509) by changing a digit.

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, 2005001 + ... + 2265996.

It is an arithmetic number, because the mean of its divisors is an integer number (53045795160).

Almost surely, 2^557356566506 is an apocalyptic number.

557356566506 is a deficient number, since it is larger than the sum of its proper divisors (291376156054).

557356566506 is a wasteful number, since it uses less digits than its factorization.

557356566506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271989.

The product of its (nonzero) digits is 85050000, while the sum is 59.

The spelling of 557356566506 in words is "five hundred fifty-seven billion, three hundred fifty-six million, five hundred sixty-six thousand, five hundred six".