6061668181 has 2 divisors, whose sum is σ = 6061668182. Its totient is φ = 6061668180.

The previous prime is 6061668163. The next prime is 6061668187. The reversal of 6061668181 is 1818661606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5016180625 + 1045487556 = 70825^2 + 32334^2 .

It is a cyclic number.

It is not a de Polignac number, because 6061668181 - 2¹¹ = 6061666133 is a prime.

It is a super-2 number, since 2×6061668181² = 73487642273095697522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6061668187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030834090 + 3030834091.

It is an arithmetic number, because the mean of its divisors is an integer number (3030834091).

Almost surely, 2^6061668181 is an apocalyptic number.

It is an amenable number.

6061668181 is a deficient number, since it is larger than the sum of its proper divisors (1).

6061668181 is an equidigital number, since it uses as much as digits as its factorization.

6061668181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 6061668181 is about 77856.7157090511. The cubic root of 6061668181 is about 1823.3248586788.

The spelling of 6061668181 in words is "six billion, sixty-one million, six hundred sixty-eight thousand, one hundred eighty-one".