557166 has 8 divisors (see below), whose sum is σ = 1114344. Its totient is φ = 185720.

The previous prime is 557159. The next prime is 557197. The reversal of 557166 is 661755.

It is a sphenic number, since it is the product of 3 distinct primes.

557166 is an admirable number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

557166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46425 + ... + 46436.

It is an arithmetic number, because the mean of its divisors is an integer number (139293).

2⁵⁵⁷¹⁶⁶ is an apocalyptic number.

557166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557166 is a wasteful number, since it uses less digits than its factorization.

557166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92866.

The product of its digits is 6300, while the sum is 30.

The square root of 557166 is about 746.4355297010. The cubic root of 557166 is about 82.2864264640.

The spelling of 557166 in words is "five hundred fifty-seven thousand, one hundred sixty-six".