11600665 has 8 divisors (see below), whose sum is σ = 14370048. Its totient is φ = 8981040.

The previous prime is 11600629. The next prime is 11600707. The reversal of 11600665 is 56600611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11600665 - 2¹¹ = 11598617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37267 + ... + 37576.

It is an arithmetic number, because the mean of its divisors is an integer number (1796256).

Almost surely, 2^11600665 is an apocalyptic number.

It is an amenable number.

11600665 is a deficient number, since it is larger than the sum of its proper divisors (2769383).

11600665 is an equidigital number, since it uses as much as digits as its factorization.

11600665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74879.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 11600665 is about 3405.9748971477. The cubic root of 11600665 is about 226.3745648631.

The spelling of 11600665 in words is "eleven million, six hundred thousand, six hundred sixty-five".