10566666651001 has 4 divisors (see below), whose sum is σ = 10566795308032. Its totient is φ = 10566537993972.

The previous prime is 10566666650971. The next prime is 10566666651017. The reversal of 10566666651001 is 10015666666501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10566666651001 - 2¹³ = 10566666642809 is a prime.

It is a super-2 number, since 2×10566666651001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10566666651091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64205241 + ... + 64369606.

It is an arithmetic number, because the mean of its divisors is an integer number (2641698827008).

Almost surely, 2^{10566666651001} is an apocalyptic number.

It is an amenable number.

10566666651001 is a deficient number, since it is larger than the sum of its proper divisors (128657031).

10566666651001 is an equidigital number, since it uses as much as digits as its factorization.

10566666651001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128657030.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 10566666651001 in words is "ten trillion, five hundred sixty-six billion, six hundred sixty-six million, six hundred fifty-one thousand, one".