6656323311 has 56 divisors (see below), whose sum is σ = 10928198736. Its totient is φ = 4018947840.

The previous prime is 6656323307. The next prime is 6656323313. The reversal of 6656323311 is 1133236566.

6656323311 is a `hidden beast` number, since 6 + 6 + 5 + 632 + 3 + 3 + 11 = 666.

It is not a de Polignac number, because 6656323311 - 2² = 6656323307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6656323313) 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 in 55 ways as a sum of consecutive naturals, for example, 2348151 + ... + 2350983.

It is an arithmetic number, because the mean of its divisors is an integer number (195146406).

Almost surely, 2^6656323311 is an apocalyptic number.

6656323311 is a deficient number, since it is larger than the sum of its proper divisors (4271875425).

6656323311 is a wasteful number, since it uses less digits than its factorization.

6656323311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155 (or 3140 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 6656323311 is about 81586.2936466659. The cubic root of 6656323311 is about 1881.0982069098.

Adding to 6656323311 its reverse (1133236566), we get a palindrome (7789559877).

The spelling of 6656323311 in words is "six billion, six hundred fifty-six million, three hundred twenty-three thousand, three hundred eleven".