6677110981 has 2 divisors, whose sum is σ = 6677110982. Its totient is φ = 6677110980.

The previous prime is 6677110931. The next prime is 6677111011. The reversal of 6677110981 is 1890117766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6179374881 + 497736100 = 78609^2 + 22310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6677110981 is a prime.

It is a super-2 number, since 2×6677110981² = 89167622105181564722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6677110931) 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, 3338555490 + 3338555491.

It is an arithmetic number, because the mean of its divisors is an integer number (3338555491).

Almost surely, 2^6677110981 is an apocalyptic number.

It is an amenable number.

6677110981 is a deficient number, since it is larger than the sum of its proper divisors (1).

6677110981 is an equidigital number, since it uses as much as digits as its factorization.

6677110981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 6677110981 is about 81713.5911645058. The cubic root of 6677110981 is about 1883.0543925583.

The spelling of 6677110981 in words is "six billion, six hundred seventy-seven million, one hundred ten thousand, nine hundred eighty-one".