556260646 has 16 divisors (see below), whose sum is σ = 850176000. Its totient is φ = 272912328.

The previous prime is 556260643. The next prime is 556260697. The reversal of 556260646 is 646062655.

556260646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 556260599 and 556260608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556260643) 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, 14955 + ... + 36553.

It is an arithmetic number, because the mean of its divisors is an integer number (53136000).

Almost surely, 2^556260646 is an apocalyptic number.

556260646 is a deficient number, since it is larger than the sum of its proper divisors (293915354).

556260646 is a wasteful number, since it uses less digits than its factorization.

556260646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21843.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 556260646 is about 23585.1785238102. The cubic root of 556260646 is about 822.4183249306.

The spelling of 556260646 in words is "five hundred fifty-six million, two hundred sixty thousand, six hundred forty-six".