550000555166 has 16 divisors (see below), whose sum is σ = 830040311520. Its totient is φ = 273320845920.

The previous prime is 550000555163. The next prime is 550000555187. The reversal of 550000555166 is 661555000055.

It is a super-2 number, since 2×550000555166² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550000555163) 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, 2825300 + ... + 3013688.

It is an arithmetic number, because the mean of its divisors is an integer number (51877519470).

Almost surely, 2^550000555166 is an apocalyptic number.

550000555166 is a deficient number, since it is larger than the sum of its proper divisors (280039756354).

550000555166 is a wasteful number, since it uses less digits than its factorization.

550000555166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197299.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 550000555166 in words is "five hundred fifty billion, five hundred fifty-five thousand, one hundred sixty-six".