10666605 has 16 divisors (see below), whose sum is σ = 17244864. Its totient is φ = 5629440.

The previous prime is 10666597. The next prime is 10666609. The reversal of 10666605 is 50666601.

10666605 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10666605 - 2³ = 10666597 is a prime.

It is a super-2 number, since 2×10666605² = 227552924452050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2211 + ... + 5120.

It is an arithmetic number, because the mean of its divisors is an integer number (1077804).

Almost surely, 2^10666605 is an apocalyptic number.

10666605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10666605 is a deficient number, since it is larger than the sum of its proper divisors (6578259).

10666605 is an equidigital number, since it uses as much as digits as its factorization.

10666605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7436.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 10666605 is about 3265.9768829555. The cubic root of 10666605 is about 220.1280590529.

The spelling of 10666605 in words is "ten million, six hundred sixty-six thousand, six hundred five".