6556506610 has 16 divisors (see below), whose sum is σ = 11831446296. Its totient is φ = 2615995008.

The previous prime is 6556506559. The next prime is 6556506611. The reversal of 6556506610 is 166056556.

It can be written as a sum of positive squares in 4 ways, for example, as 5812690081 + 743816529 = 76241^2 + 27273^2 .

It is not an unprimeable number, because it can be changed into a prime (6556506611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821787 + ... + 829726.

Almost surely, 2^6556506610 is an apocalyptic number.

6556506610 is a deficient number, since it is larger than the sum of its proper divisors (5274939686).

6556506610 is a wasteful number, since it uses less digits than its factorization.

6556506610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651917.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 6556506610 is about 80972.2582740533. The cubic root of 6556506610 is about 1871.6479710447.

The spelling of 6556506610 in words is "six billion, five hundred fifty-six million, five hundred six thousand, six hundred ten".