10666710961 has 2 divisors, whose sum is σ = 10666710962. Its totient is φ = 10666710960.

The previous prime is 10666710953. The next prime is 10666711051. The reversal of 10666710961 is 16901766601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5944410000 + 4722300961 = 77100^2 + 68719^2 .

It is a cyclic number.

It is not a de Polignac number, because 10666710961 - 2³ = 10666710953 is a prime.

It is a super-2 number, since 2×10666710961² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10666717961) 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, 5333355480 + 5333355481.

It is an arithmetic number, because the mean of its divisors is an integer number (5333355481).

Almost surely, 2^10666710961 is an apocalyptic number.

It is an amenable number.

10666710961 is a deficient number, since it is larger than the sum of its proper divisors (1).

10666710961 is an equidigital number, since it uses as much as digits as its factorization.

10666710961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 10666710961 in words is "ten billion, six hundred sixty-six million, seven hundred ten thousand, nine hundred sixty-one".