6580788556 has 6 divisors (see below), whose sum is σ = 11516379980. Its totient is φ = 3290394276.

The previous prime is 6580788541. The next prime is 6580788569. The reversal of 6580788556 is 6558870856.

It is a self number, because there is not a number n which added to its sum of digits gives 6580788556.

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 as a sum of consecutive naturals, namely, 822598566 + ... + 822598573.

Almost surely, 2^6580788556 is an apocalyptic number.

It is an amenable number.

6580788556 is a deficient number, since it is larger than the sum of its proper divisors (4935591424).

6580788556 is a wasteful number, since it uses less digits than its factorization.

6580788556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645197143 (or 1645197141 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 58.

The square root of 6580788556 is about 81122.0596138929. The cubic root of 6580788556 is about 1873.9556667102.

The spelling of 6580788556 in words is "six billion, five hundred eighty million, seven hundred eighty-eight thousand, five hundred fifty-six".