6656754851 has 2 divisors, whose sum is σ = 6656754852. Its totient is φ = 6656754850.

The previous prime is 6656754847. The next prime is 6656754857. The reversal of 6656754851 is 1584576566.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6656754851 - 2² = 6656754847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6656754793 and 6656754802.

It is not a weakly prime, because it can be changed into another prime (6656754857) by changing a digit.

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 as a sum of consecutive naturals, namely, 3328377425 + 3328377426.

It is an arithmetic number, because the mean of its divisors is an integer number (3328377426).

Almost surely, 2^6656754851 is an apocalyptic number.

6656754851 is a deficient number, since it is larger than the sum of its proper divisors (1).

6656754851 is an equidigital number, since it uses as much as digits as its factorization.

6656754851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048000, while the sum is 53.

The square root of 6656754851 is about 81588.9382882263. The cubic root of 6656754851 is about 1881.1388575583.

The spelling of 6656754851 in words is "six billion, six hundred fifty-six million, seven hundred fifty-four thousand, eight hundred fifty-one".