10665669 has 16 divisors (see below), whose sum is σ = 17108480. Its totient is φ = 5773680.

The previous prime is 10665661. The next prime is 10665673. The reversal of 10665669 is 96656601.

It is not a de Polignac number, because 10665669 - 2³ = 10665661 is a prime.

It is a super-2 number, since 2×10665669² = 227512990435122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10665661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12967 + ... + 13764.

It is an arithmetic number, because the mean of its divisors is an integer number (1069280).

Almost surely, 2^10665669 is an apocalyptic number.

10665669 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10665669 is a deficient number, since it is larger than the sum of its proper divisors (6442811).

10665669 is a wasteful number, since it uses less digits than its factorization.

10665669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26760.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 10665669 is about 3265.8335842477. The cubic root of 10665669 is about 220.1216200816.

The spelling of 10665669 in words is "ten million, six hundred sixty-five thousand, six hundred sixty-nine".