5555166 has 16 divisors (see below), whose sum is σ = 11145600. Its totient is φ = 1845848.

The previous prime is 5555149. The next prime is 5555177. The reversal of 5555166 is 6615555.

It is an Ulam number.

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 7 ways as a sum of consecutive naturals, for example, 865 + ... + 3443.

It is an arithmetic number, because the mean of its divisors is an integer number (696600).

Almost surely, 2^5555166 is an apocalyptic number.

5555166 is an abundant number, since it is smaller than the sum of its proper divisors (5590434).

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

5555166 is a wasteful number, since it uses less digits than its factorization.

5555166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943.

The product of its digits is 22500, while the sum is 33.

The square root of 5555166 is about 2356.9399652940. The cubic root of 5555166 is about 177.1056217882.

The spelling of 5555166 in words is "five million, five hundred fifty-five thousand, one hundred sixty-six".