556055166 has 16 divisors (see below), whose sum is σ = 1142167824. Its totient is φ = 180342144.

The previous prime is 556055147. The next prime is 556055219. The reversal of 556055166 is 661550655.

556055166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1252155 + ... + 1252598.

It is an arithmetic number, because the mean of its divisors is an integer number (71385489).

Almost surely, 2^556055166 is an apocalyptic number.

556055166 is an abundant number, since it is smaller than the sum of its proper divisors (586112658).

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

556055166 is a wasteful number, since it uses less digits than its factorization.

556055166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504795.

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 556055166 is about 23580.8219958508. The cubic root of 556055166 is about 822.3170466714.

It can be divided in two parts, 5560 and 55166, that added together give a triangular number (60726 = T₃₄₈).

The spelling of 556055166 in words is "five hundred fifty-six million, fifty-five thousand, one hundred sixty-six".