6646110131 has 2 divisors, whose sum is σ = 6646110132. Its totient is φ = 6646110130.

The previous prime is 6646110113. The next prime is 6646110137. The reversal of 6646110131 is 1310116466.

Together with previous prime (6646110113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6646110131 is a prime.

It is a super-2 number, since 2×6646110131² = 88341559746761674322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6646110094 and 6646110103.

It is not a weakly prime, because it can be changed into another prime (6646110137) 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, 3323055065 + 3323055066.

It is an arithmetic number, because the mean of its divisors is an integer number (3323055066).

Almost surely, 2^6646110131 is an apocalyptic number.

6646110131 is a deficient number, since it is larger than the sum of its proper divisors (1).

6646110131 is an equidigital number, since it uses as much as digits as its factorization.

6646110131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 6646110131 is about 81523.6783456193. The cubic root of 6646110131 is about 1880.1356220065.

Adding to 6646110131 its reverse (1310116466), we get a palindrome (7956226597).

The spelling of 6646110131 in words is "six billion, six hundred forty-six million, one hundred ten thousand, one hundred thirty-one".