6555165106207 has 2 divisors, whose sum is σ = 6555165106208. Its totient is φ = 6555165106206.

The previous prime is 6555165106153. The next prime is 6555165106211. The reversal of 6555165106207 is 7026015615556.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6555165106207 - 2²⁷ = 6555030888479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6555165106807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277582553103 + 3277582553104.

It is an arithmetic number, because the mean of its divisors is an integer number (3277582553104).

Almost surely, 2^{6555165106207} is an apocalyptic number.

6555165106207 is a deficient number, since it is larger than the sum of its proper divisors (1).

6555165106207 is an equidigital number, since it uses as much as digits as its factorization.

6555165106207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890000, while the sum is 49.

The spelling of 6555165106207 in words is "six trillion, five hundred fifty-five billion, one hundred sixty-five million, one hundred six thousand, two hundred seven".