10716661 has 2 divisors, whose sum is σ = 10716662. Its totient is φ = 10716660.

The previous prime is 10716659. The next prime is 10716677. The reversal of 10716661 is 16661701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9548100 + 1168561 = 3090^2 + 1081^2 .

It is a cyclic number.

It is not a de Polignac number, because 10716661 - 2¹ = 10716659 is a prime.

It is a super-2 number, since 2×10716661² = 229693645977842, which contains 22 as substring.

Together with 10716659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10716061) 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, 5358330 + 5358331.

It is an arithmetic number, because the mean of its divisors is an integer number (5358331).

Almost surely, 2^10716661 is an apocalyptic number.

It is an amenable number.

10716661 is a deficient number, since it is larger than the sum of its proper divisors (1).

10716661 is an equidigital number, since it uses as much as digits as its factorization.

10716661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 10716661 is about 3273.6311643189. The cubic root of 10716661 is about 220.4718591271.

The spelling of 10716661 in words is "ten million, seven hundred sixteen thousand, six hundred sixty-one".