10668611 has 4 divisors (see below), whose sum is σ = 10827912. Its totient is φ = 10509312.

The previous prime is 10668599. The next prime is 10668613. The reversal of 10668611 is 11686601.

10668611 = 213² + 214² + ... + 346².

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10668611 is a prime.

It is a super-2 number, since 2×10668611² = 227638521338642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10668613) 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, 79550 + ... + 79683.

It is an arithmetic number, because the mean of its divisors is an integer number (2706978).

Almost surely, 2^10668611 is an apocalyptic number.

10668611 is a deficient number, since it is larger than the sum of its proper divisors (159301).

10668611 is an equidigital number, since it uses as much as digits as its factorization.

10668611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159300.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 10668611 is about 3266.2839741823. The cubic root of 10668611 is about 220.1418575454.

The spelling of 10668611 in words is "ten million, six hundred sixty-eight thousand, six hundred eleven".