10666716671 has 8 divisors (see below), whose sum is σ = 11523938160. Its totient is φ = 9814738752.

The previous prime is 10666716659. The next prime is 10666716673. The reversal of 10666716671 is 17661766601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-10666716671 is a prime.

It is a super-2 number, since 2×10666716671² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666716673) 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 7 ways as a sum of consecutive naturals, for example, 1306661 + ... + 1314798.

It is an arithmetic number, because the mean of its divisors is an integer number (1440492270).

Almost surely, 2^10666716671 is an apocalyptic number.

10666716671 is a deficient number, since it is larger than the sum of its proper divisors (857221489).

10666716671 is a wasteful number, since it uses less digits than its factorization.

10666716671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621785.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 10666716671 in words is "ten billion, six hundred sixty-six million, seven hundred sixteen thousand, six hundred seventy-one".