6663316111 has 16 divisors (see below), whose sum is σ = 6980520960. Its totient is φ = 6352940160.

The previous prime is 6663316097. The next prime is 6663316117. The reversal of 6663316111 is 1116133666.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6663316111 is a prime.

It is a super-2 number, since 2×6663316111² = 88799563190224328642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6663316117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 971751 + ... + 978583.

It is an arithmetic number, because the mean of its divisors is an integer number (436282560).

Almost surely, 2^6663316111 is an apocalyptic number.

6663316111 is a deficient number, since it is larger than the sum of its proper divisors (317204849).

6663316111 is a wasteful number, since it uses less digits than its factorization.

6663316111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7326.

The product of its digits is 11664, while the sum is 34.

The square root of 6663316111 is about 81629.1376347931. The cubic root of 6663316111 is about 1881.7567055660.

Adding to 6663316111 its reverse (1116133666), we get a palindrome (7779449777).

The spelling of 6663316111 in words is "six billion, six hundred sixty-three million, three hundred sixteen thousand, one hundred eleven".