10666973 has 8 divisors (see below), whose sum is σ = 11347128. Its totient is φ = 9992704.

The previous prime is 10666949. The next prime is 10666987. The reversal of 10666973 is 37966601.

It can be written as a sum of positive squares in 4 ways, for example, as 1162084 + 9504889 = 1078^2 + 3083^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10666973 - 2⁸ = 10666717 is a prime.

It is a super-2 number, since 2×10666973² = 227568625965458, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2615 + ... + 5307.

It is an arithmetic number, because the mean of its divisors is an integer number (1418391).

Almost surely, 2^10666973 is an apocalyptic number.

It is an amenable number.

10666973 is a deficient number, since it is larger than the sum of its proper divisors (680155).

10666973 is a wasteful number, since it uses less digits than its factorization.

10666973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 10666973 is about 3266.0332208966. The cubic root of 10666973 is about 220.1305905111.

The spelling of 10666973 in words is "ten million, six hundred sixty-six thousand, nine hundred seventy-three".