557281166806 has 16 divisors (see below), whose sum is σ = 1028826769824. Its totient is φ = 220462879104.

The previous prime is 557281166641. The next prime is 557281166831. The reversal of 557281166806 is 608661182755.

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, 1530992035 + ... + 1530992398.

It is an arithmetic number, because the mean of its divisors is an integer number (64301673114).

Almost surely, 2^557281166806 is an apocalyptic number.

557281166806 is a deficient number, since it is larger than the sum of its proper divisors (471545603018).

557281166806 is a wasteful number, since it uses less digits than its factorization.

557281166806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061984455.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 557281166806 in words is "five hundred fifty-seven billion, two hundred eighty-one million, one hundred sixty-six thousand, eight hundred six".