10666673 has 2 divisors, whose sum is σ = 10666674. Its totient is φ = 10666672.

The previous prime is 10666609. The next prime is 10666679. The reversal of 10666673 is 37666601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8392609 + 2274064 = 2897^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 10666673 - 2⁶ = 10666609 is a prime.

It is a super-2 number, since 2×10666673² = 227555825777858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10666679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5333336 + 5333337.

It is an arithmetic number, because the mean of its divisors is an integer number (5333337).

Almost surely, 2^10666673 is an apocalyptic number.

It is an amenable number.

10666673 is a deficient number, since it is larger than the sum of its proper divisors (1).

10666673 is an equidigital number, since it uses as much as digits as its factorization.

10666673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 10666673 is about 3265.9872933005. The cubic root of 10666673 is about 220.1285268267.

The spelling of 10666673 in words is "ten million, six hundred sixty-six thousand, six hundred seventy-three".