6608663855 has 32 divisors (see below), whose sum is σ = 8314994688. Its totient is φ = 5036515200.

The previous prime is 6608663819. The next prime is 6608663909. The reversal of 6608663855 is 5583668066.

It is a happy number.

It is not a de Polignac number, because 6608663855 - 2²⁶ = 6541554991 is a prime.

It is a super-2 number, since 2×6608663855² = 87348875896766922050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6608663797 and 6608663806.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2888522 + ... + 2890808.

It is an arithmetic number, because the mean of its divisors is an integer number (259843584).

Almost surely, 2^6608663855 is an apocalyptic number.

6608663855 is a deficient number, since it is larger than the sum of its proper divisors (1706330833).

6608663855 is a wasteful number, since it uses less digits than its factorization.

6608663855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607.

The product of its (nonzero) digits is 6220800, while the sum is 53.

The square root of 6608663855 is about 81293.6889001846. The cubic root of 6608663855 is about 1876.5978774851.

The spelling of 6608663855 in words is "six billion, six hundred eight million, six hundred sixty-three thousand, eight hundred fifty-five".