10668687 has 16 divisors (see below), whose sum is σ = 14665728. Its totient is φ = 6894720.

The previous prime is 10668659. The next prime is 10668703. The reversal of 10668687 is 78686601.

10668687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10668687 - 2¹⁰ = 10667663 is a prime.

It is a super-2 number, since 2×10668687² = 227641764607938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10668587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24423 + ... + 24855.

It is an arithmetic number, because the mean of its divisors is an integer number (916608).

Almost surely, 2^10668687 is an apocalyptic number.

10668687 is a deficient number, since it is larger than the sum of its proper divisors (3997041).

10668687 is a wasteful number, since it uses less digits than its factorization.

10668687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 10668687 is about 3266.2956081776. The cubic root of 10668687 is about 220.1423802858.

The spelling of 10668687 in words is "ten million, six hundred sixty-eight thousand, six hundred eighty-seven".