556118406 has 16 divisors (see below), whose sum is σ = 1235818800. Its totient is φ = 185372784.

The previous prime is 556118401. The next prime is 556118417. The reversal of 556118406 is 604811655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556118401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5149191 + ... + 5149298.

It is an arithmetic number, because the mean of its divisors is an integer number (77238675).

Almost surely, 2^556118406 is an apocalyptic number.

556118406 is an abundant number, since it is smaller than the sum of its proper divisors (679700394).

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

556118406 is a wasteful number, since it uses less digits than its factorization.

556118406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10298500 (or 10298494 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 556118406 is about 23582.1628779041. The cubic root of 556118406 is about 822.3482194529.

The spelling of 556118406 in words is "five hundred fifty-six million, one hundred eighteen thousand, four hundred six".