6605559479 has 8 divisors (see below), whose sum is σ = 6764925600. Its totient is φ = 6448036000.

The previous prime is 6605559473. The next prime is 6605559503. The reversal of 6605559479 is 9749555066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6605559479 - 2⁸ = 6605559223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605559473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453404 + ... + 467745.

It is an arithmetic number, because the mean of its divisors is an integer number (845615700).

Almost surely, 2^6605559479 is an apocalyptic number.

6605559479 is a deficient number, since it is larger than the sum of its proper divisors (159366121).

6605559479 is a wasteful number, since it uses less digits than its factorization.

6605559479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921321.

The product of its (nonzero) digits is 10206000, while the sum is 56.

The square root of 6605559479 is about 81274.5930718819. The cubic root of 6605559479 is about 1876.3039916625.

The spelling of 6605559479 in words is "six billion, six hundred five million, five hundred fifty-nine thousand, four hundred seventy-nine".