556116663 has 8 divisors (see below), whose sum is σ = 745632000. Its totient is φ = 368672888.

The previous prime is 556116647. The next prime is 556116677. The reversal of 556116663 is 366611655.

556116663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556116663 - 2⁴ = 556116647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556116163) 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, 517263 + ... + 518336.

It is an arithmetic number, because the mean of its divisors is an integer number (93204000).

Almost surely, 2^556116663 is an apocalyptic number.

556116663 is a deficient number, since it is larger than the sum of its proper divisors (189515337).

556116663 is a wasteful number, since it uses less digits than its factorization.

556116663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035781.

The product of its digits is 97200, while the sum is 39.

The square root of 556116663 is about 23582.1259219774. The cubic root of 556116663 is about 822.3473603107.

The spelling of 556116663 in words is "five hundred fifty-six million, one hundred sixteen thousand, six hundred sixty-three".