10666089 has 48 divisors (see below), whose sum is σ = 19498752. Its totient is φ = 5474304.

The previous prime is 10666069. The next prime is 10666093. The reversal of 10666089 is 98066601.

10666089 = T₂₃₇ + T₂₃₈ + ... + T₄₂₅.

It is not a de Polignac number, because 10666089 - 2⁵ = 10666057 is a prime.

It is a super-2 number, since 2×10666089² = 227530909111842, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666069) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24417 + ... + 24849.

It is an arithmetic number, because the mean of its divisors is an integer number (406224).

Almost surely, 2^10666089 is an apocalyptic number.

It is an amenable number.

10666089 is a deficient number, since it is larger than the sum of its proper divisors (8832663).

10666089 is a wasteful number, since it uses less digits than its factorization.

10666089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 10666089 is about 3265.8978857276. The cubic root of 10666089 is about 220.1245094102.

The spelling of 10666089 in words is "ten million, six hundred sixty-six thousand, eighty-nine".