556651166 has 8 divisors (see below), whose sum is σ = 835888080. Its totient is φ = 278021808.

The previous prime is 556651153. The next prime is 556651177. The reversal of 556651166 is 661156655.

556651166 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149591 + ... + 153266.

It is an arithmetic number, because the mean of its divisors is an integer number (104486010).

Almost surely, 2^556651166 is an apocalyptic number.

556651166 is a deficient number, since it is larger than the sum of its proper divisors (279236914).

556651166 is a wasteful number, since it uses less digits than its factorization.

556651166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303778.

The product of its digits is 162000, while the sum is 41.

The square root of 556651166 is about 23593.4559994927. The cubic root of 556651166 is about 822.6107381318.

The spelling of 556651166 in words is "five hundred fifty-six million, six hundred fifty-one thousand, one hundred sixty-six".