8010661 has 2 divisors, whose sum is σ = 8010662. Its totient is φ = 8010660.

The previous prime is 8010643. The next prime is 8010707. The reversal of 8010661 is 1660108.

8010661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7924225 + 86436 = 2815^2 + 294^2 .

It is a cyclic number.

It is not a de Polignac number, because 8010661 - 2¹⁷ = 7879589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8010631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4005330 + 4005331.

It is an arithmetic number, because the mean of its divisors is an integer number (4005331).

Almost surely, 2^8010661 is an apocalyptic number.

It is an amenable number.

8010661 is a deficient number, since it is larger than the sum of its proper divisors (1).

8010661 is an equidigital number, since it uses as much as digits as its factorization.

8010661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 8010661 is about 2830.3111136410. The cubic root of 8010661 is about 200.0888022316.

Adding to 8010661 its reverse (1660108), we get a palindrome (9670769).

The spelling of 8010661 in words is "eight million, ten thousand, six hundred sixty-one".