116565605 has 16 divisors (see below), whose sum is σ = 150890880. Its totient is φ = 85935168.

The previous prime is 116565601. The next prime is 116565607. The reversal of 116565605 is 506565611.

It is a cyclic number.

It is not a de Polignac number, because 116565605 - 2² = 116565601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116565601) 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, 52406 + ... + 54584.

It is an arithmetic number, because the mean of its divisors is an integer number (9430680).

Almost surely, 2^116565605 is an apocalyptic number.

It is an amenable number.

116565605 is a deficient number, since it is larger than the sum of its proper divisors (34325275).

116565605 is a wasteful number, since it uses less digits than its factorization.

116565605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 116565605 is about 10796.5552376672. Note that the first 3 decimals coincide. The cubic root of 116565605 is about 488.4912707570.

The spelling of 116565605 in words is "one hundred sixteen million, five hundred sixty-five thousand, six hundred five".