10666061559971 has 2 divisors, whose sum is σ = 10666061559972. Its totient is φ = 10666061559970.

The previous prime is 10666061559889. The next prime is 10666061560073. The reversal of 10666061559971 is 17995516066601.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10666061559971 is a prime.

It is a super-2 number, since 2×10666061559971² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10666061559071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5333030779985 + 5333030779986.

It is an arithmetic number, because the mean of its divisors is an integer number (5333030779986).

Almost surely, 2^{10666061559971} is an apocalyptic number.

10666061559971 is a deficient number, since it is larger than the sum of its proper divisors (1).

10666061559971 is an equidigital number, since it uses as much as digits as its factorization.

10666061559971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18370800, while the sum is 62.

The spelling of 10666061559971 in words is "ten trillion, six hundred sixty-six billion, sixty-one million, five hundred fifty-nine thousand, nine hundred seventy-one".