556052166 has 12 divisors (see below), whose sum is σ = 1204779732. Its totient is φ = 185350716.

The previous prime is 556052141. The next prime is 556052171. The reversal of 556052166 is 661250655.

It is a happy number.

It is a super-2 number, since 2×556052166² = 618388022626583112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 556052166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15445876 + ... + 15445911.

It is an arithmetic number, because the mean of its divisors is an integer number (100398311).

Almost surely, 2^556052166 is an apocalyptic number.

556052166 is an abundant number, since it is smaller than the sum of its proper divisors (648727566).

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

556052166 is a wasteful number, since it uses less digits than its factorization.

556052166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30891795 (or 30891792 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 556052166 is about 23580.7583847509. The cubic root of 556052166 is about 822.3155678279.

The spelling of 556052166 in words is "five hundred fifty-six million, fifty-two thousand, one hundred sixty-six".