556663461 has 16 divisors (see below), whose sum is σ = 746231040. Its totient is φ = 369109440.

The previous prime is 556663421. The next prime is 556663477. The reversal of 556663461 is 164366655.

It is not a de Polignac number, because 556663461 - 2⁷ = 556663333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556663421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773860 + ... + 774578.

It is an arithmetic number, because the mean of its divisors is an integer number (46639440).

Almost surely, 2^556663461 is an apocalyptic number.

It is an amenable number.

556663461 is a deficient number, since it is larger than the sum of its proper divisors (189567579).

556663461 is a wasteful number, since it uses less digits than its factorization.

556663461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756.

The product of its digits is 388800, while the sum is 42.

The square root of 556663461 is about 23593.7165575922. The cubic root of 556663461 is about 822.6167945427.

The spelling of 556663461 in words is "five hundred fifty-six million, six hundred sixty-three thousand, four hundred sixty-one".