10668889 has 16 divisors (see below), whose sum is σ = 13418496. Its totient is φ = 8240400.

The previous prime is 10668887. The next prime is 10668893. The reversal of 10668889 is 98886601.

10668889 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 10668889 - 2¹ = 10668887 is a prime.

It is a super-2 number, since 2×10668889² = 227650384988642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10668883) 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, 9234 + ... + 10324.

It is an arithmetic number, because the mean of its divisors is an integer number (838656).

Almost surely, 2^10668889 is an apocalyptic number.

It is an amenable number.

10668889 is a deficient number, since it is larger than the sum of its proper divisors (2749607).

10668889 is a wasteful number, since it uses less digits than its factorization.

10668889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236.

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 10668889 is about 3266.3265299109. The cubic root of 10668889 is about 220.1437696626.

The spelling of 10668889 in words is "ten million, six hundred sixty-eight thousand, eight hundred eighty-nine".