10666671 has 4 divisors (see below), whose sum is σ = 14222232. Its totient is φ = 7111112.

The previous prime is 10666609. The next prime is 10666673. The reversal of 10666671 is 17666601.

10666671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10666671 - 2¹⁴ = 10650287 is a prime.

It is a super-2 number, since 2×10666671² = 227555740444482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777776 + ... + 1777781.

It is an arithmetic number, because the mean of its divisors is an integer number (3555558).

Almost surely, 2^10666671 is an apocalyptic number.

10666671 is a deficient number, since it is larger than the sum of its proper divisors (3555561).

10666671 is an equidigital number, since it uses as much as digits as its factorization.

10666671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555560.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 10666671 is about 3265.9869871143. The cubic root of 10666671 is about 220.1285130687.

The spelling of 10666671 in words is "ten million, six hundred sixty-six thousand, six hundred seventy-one".