6067666981 has 2 divisors, whose sum is σ = 6067666982. Its totient is φ = 6067666980.

The previous prime is 6067666909. The next prime is 6067666993. The reversal of 6067666981 is 1896667606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3630665025 + 2437001956 = 60255^2 + 49366^2 .

It is a cyclic number.

It is not a de Polignac number, because 6067666981 - 2²⁷ = 5933449253 is a prime.

It is a super-2 number, since 2×6067666981² = 73633165184635308722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6067666901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3033833490 + 3033833491.

It is an arithmetic number, because the mean of its divisors is an integer number (3033833491).

Almost surely, 2^6067666981 is an apocalyptic number.

It is an amenable number.

6067666981 is a deficient number, since it is larger than the sum of its proper divisors (1).

6067666981 is an equidigital number, since it uses as much as digits as its factorization.

6067666981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The square root of 6067666981 is about 77895.2307975270. The cubic root of 6067666981 is about 1823.9261318329.

The spelling of 6067666981 in words is "six billion, sixty-seven million, six hundred sixty-six thousand, nine hundred eighty-one".