36516116585 has 16 divisors (see below), whose sum is σ = 47311402320. Its totient is φ = 26896408320.

The previous prime is 36516116563. The next prime is 36516116591. The reversal of 36516116585 is 58561161563.

It can be written as a sum of positive squares in 8 ways, for example, as 4528078681 + 31988037904 = 67291^2 + 178852^2 .

It is a de Polignac number, because none of the positive numbers 2^k-36516116585 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696806 + ... + 747375.

It is an arithmetic number, because the mean of its divisors is an integer number (2956962645).

Almost surely, 2^36516116585 is an apocalyptic number.

It is an amenable number.

36516116585 is a deficient number, since it is larger than the sum of its proper divisors (10795285735).

36516116585 is a wasteful number, since it uses less digits than its factorization.

36516116585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444588.

The product of its digits is 648000, while the sum is 47.

The spelling of 36516116585 in words is "thirty-six billion, five hundred sixteen million, one hundred sixteen thousand, five hundred eighty-five".