6655456679 has 2 divisors, whose sum is σ = 6655456680. Its totient is φ = 6655456678.

The previous prime is 6655456597. The next prime is 6655456729. The reversal of 6655456679 is 9766545566.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6655456679 - 2¹⁶ = 6655391143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6655458679) by changing a digit.

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, 3327728339 + 3327728340.

It is an arithmetic number, because the mean of its divisors is an integer number (3327728340).

Almost surely, 2^6655456679 is an apocalyptic number.

6655456679 is a deficient number, since it is larger than the sum of its proper divisors (1).

6655456679 is an equidigital number, since it uses as much as digits as its factorization.

6655456679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824000, while the sum is 59.

The square root of 6655456679 is about 81580.9823365716. The cubic root of 6655456679 is about 1881.0165657104.

The spelling of 6655456679 in words is "six billion, six hundred fifty-five million, four hundred fifty-six thousand, six hundred seventy-nine".