8668061 has 2 divisors, whose sum is σ = 8668062. Its totient is φ = 8668060.

The previous prime is 8668057. The next prime is 8668063. The reversal of 8668061 is 1608668.

8668061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4644025 + 4024036 = 2155^2 + 2006^2 .

It is a cyclic number.

It is not a de Polignac number, because 8668061 - 2² = 8668057 is a prime.

Together with 8668063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8668063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4334030 + 4334031.

It is an arithmetic number, because the mean of its divisors is an integer number (4334031).

Almost surely, 2^8668061 is an apocalyptic number.

It is an amenable number.

8668061 is a deficient number, since it is larger than the sum of its proper divisors (1).

8668061 is an equidigital number, since it uses as much as digits as its factorization.

8668061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 8668061 is about 2944.1570949934. The cubic root of 8668061 is about 205.4190199969.

The spelling of 8668061 in words is "eight million, six hundred sixty-eight thousand, sixty-one".