36605161 has 4 divisors (see below), whose sum is σ = 36791172. Its totient is φ = 36419152.

The previous prime is 36605159. The next prime is 36605171. The reversal of 36605161 is 16150663.

36605161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16150663 = 17 ⋅950039.

It can be written as a sum of positive squares in 2 ways, for example, as 30869136 + 5736025 = 5556^2 + 2395^2 .

It is a cyclic number.

It is not a de Polignac number, because 36605161 - 2¹ = 36605159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36605111) 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 3 ways as a sum of consecutive naturals, for example, 92710 + ... + 93103.

It is an arithmetic number, because the mean of its divisors is an integer number (9197793).

Almost surely, 2^36605161 is an apocalyptic number.

It is an amenable number.

36605161 is a deficient number, since it is larger than the sum of its proper divisors (186011).

36605161 is a wasteful number, since it uses less digits than its factorization.

36605161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186010.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 36605161 is about 6050.2199133585. The cubic root of 36605161 is about 332.0326363862.

The spelling of 36605161 in words is "thirty-six million, six hundred five thousand, one hundred sixty-one".