10666005066001 has 4 divisors (see below), whose sum is σ = 10666094794992. Its totient is φ = 10665915337012.

The previous prime is 10666005065971. The next prime is 10666005066007. The reversal of 10666005066001 is 10066050066601.

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 10666005066001 - 2¹³ = 10666005057809 is a prime.

It is a super-2 number, since 2×10666005066001² (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 (10666005066007) 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, 44685955 + ... + 44924008.

It is an arithmetic number, because the mean of its divisors is an integer number (2666523698748).

Almost surely, 2^{10666005066001} is an apocalyptic number.

It is an amenable number.

10666005066001 is a deficient number, since it is larger than the sum of its proper divisors (89728991).

10666005066001 is an equidigital number, since it uses as much as digits as its factorization.

10666005066001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89728990.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 10666005066001 in words is "ten trillion, six hundred sixty-six billion, five million, sixty-six thousand, one".