6556557829 has 8 divisors (see below), whose sum is σ = 7139628000. Its totient is φ = 5997286512.

The previous prime is 6556557811. The next prime is 6556557851. The reversal of 6556557829 is 9287556556.

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 6556557829 - 2¹⁷ = 6556426757 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 (6556557899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5949139 + ... + 5950240.

It is an arithmetic number, because the mean of its divisors is an integer number (892453500).

Almost surely, 2^6556557829 is an apocalyptic number.

It is an amenable number.

6556557829 is a deficient number, since it is larger than the sum of its proper divisors (583070171).

6556557829 is a wasteful number, since it uses less digits than its factorization.

6556557829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11899427.

The product of its digits is 22680000, while the sum is 58.

The square root of 6556557829 is about 80972.5745484235. The cubic root of 6556557829 is about 1871.6528447624.

The spelling of 6556557829 in words is "six billion, five hundred fifty-six million, five hundred fifty-seven thousand, eight hundred twenty-nine".