6555821096 has 16 divisors (see below), whose sum is σ = 13409634240. Its totient is φ = 2979918640.

The previous prime is 6555821087. The next prime is 6555821117. The reversal of 6555821096 is 6901285556.

It is a self number, because there is not a number n which added to its sum of digits gives 6555821096.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 37248896 + ... + 37249071.

It is an arithmetic number, because the mean of its divisors is an integer number (838102140).

Almost surely, 2^6555821096 is an apocalyptic number.

It is an amenable number.

6555821096 is an abundant number, since it is smaller than the sum of its proper divisors (6853813144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6555821096 is a wasteful number, since it uses less digits than its factorization.

6555821096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74497984 (or 74497980 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 47.

The square root of 6555821096 is about 80968.0251457327. The cubic root of 6555821096 is about 1871.5827388673.

The spelling of 6555821096 in words is "six billion, five hundred fifty-five million, eight hundred twenty-one thousand, ninety-six".