10666495271 has 2 divisors, whose sum is σ = 10666495272. Its totient is φ = 10666495270.

The previous prime is 10666495237. The next prime is 10666495277. The reversal of 10666495271 is 17259466601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10666495271 - 2¹⁰ = 10666494247 is a prime.

It is a super-2 number, since 2×10666495271² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10666495277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5333247635 + 5333247636.

It is an arithmetic number, because the mean of its divisors is an integer number (5333247636).

Almost surely, 2^10666495271 is an apocalyptic number.

10666495271 is a deficient number, since it is larger than the sum of its proper divisors (1).

10666495271 is an equidigital number, since it uses as much as digits as its factorization.

10666495271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 10666495271 in words is "ten billion, six hundred sixty-six million, four hundred ninety-five thousand, two hundred seventy-one".