6621068311 has 24 divisors (see below), whose sum is σ = 8012193840. Its totient is φ = 5420563200.

The previous prime is 6621068303. The next prime is 6621068327. The reversal of 6621068311 is 1138601266.

It is a happy number.

It is not a de Polignac number, because 6621068311 - 2³ = 6621068303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6621068371) 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 in 23 ways as a sum of consecutive naturals, for example, 32785 + ... + 119653.

It is an arithmetic number, because the mean of its divisors is an integer number (333841410).

Almost surely, 2^6621068311 is an apocalyptic number.

6621068311 is a deficient number, since it is larger than the sum of its proper divisors (1391125529).

6621068311 is a wasteful number, since it uses less digits than its factorization.

6621068311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86947 (or 86934 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 6621068311 is about 81369.9472225465. The cubic root of 6621068311 is about 1877.7712678056.

Adding to 6621068311 its reverse (1138601266), we get a palindrome (7759669577).

The spelling of 6621068311 in words is "six billion, six hundred twenty-one million, sixty-eight thousand, three hundred eleven".