6555648007 has 2 divisors, whose sum is σ = 6555648008. Its totient is φ = 6555648006.

The previous prime is 6555647971. The next prime is 6555648023. The reversal of 6555648007 is 7008465556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6555648007 - 2³¹ = 4408164359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6555642007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277824003 + 3277824004.

It is an arithmetic number, because the mean of its divisors is an integer number (3277824004).

Almost surely, 2^6555648007 is an apocalyptic number.

6555648007 is a deficient number, since it is larger than the sum of its proper divisors (1).

6555648007 is an equidigital number, since it uses as much as digits as its factorization.

6555648007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The square root of 6555648007 is about 80966.9562661213. The cubic root of 6555648007 is about 1871.5662673361.

The spelling of 6555648007 in words is "six billion, five hundred fifty-five million, six hundred forty-eight thousand, seven".