10666236772127 has 2 divisors, whose sum is σ = 10666236772128. Its totient is φ = 10666236772126.

The previous prime is 10666236772069. The next prime is 10666236772153. The reversal of 10666236772127 is 72127763266601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10666236772127 - 2⁶ = 10666236772063 is a prime.

It is a super-2 number, since 2×10666236772127² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10666236772187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5333118386063 + 5333118386064.

It is an arithmetic number, because the mean of its divisors is an integer number (5333118386064).

Almost surely, 2^{10666236772127} is an apocalyptic number.

10666236772127 is a deficient number, since it is larger than the sum of its proper divisors (1).

10666236772127 is an equidigital number, since it uses as much as digits as its factorization.

10666236772127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10668672, while the sum is 56.

The spelling of 10666236772127 in words is "ten trillion, six hundred sixty-six billion, two hundred thirty-six million, seven hundred seventy-two thousand, one hundred twenty-seven".