10666705 has 8 divisors (see below), whose sum is σ = 14628672. Its totient is φ = 7314288.

The previous prime is 10666703. The next prime is 10666717. The reversal of 10666705 is 50766601.

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 10666705 - 2¹ = 10666703 is a prime.

It is a super-2 number, since 2×10666705² = 227557191114050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10666703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152347 + ... + 152416.

It is an arithmetic number, because the mean of its divisors is an integer number (1828584).

Almost surely, 2^10666705 is an apocalyptic number.

It is an amenable number.

10666705 is a deficient number, since it is larger than the sum of its proper divisors (3961967).

10666705 is an equidigital number, since it uses as much as digits as its factorization.

10666705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304775.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 10666705 is about 3265.9921922748. The cubic root of 10666705 is about 220.1287469549.

The spelling of 10666705 in words is "ten million, six hundred sixty-six thousand, seven hundred five".