36561165 has 8 divisors (see below), whose sum is σ = 58497888. Its totient is φ = 19499280.

The previous prime is 36561127. The next prime is 36561181. The reversal of 36561165 is 56116563.

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

It is not a de Polignac number, because 36561165 - 2⁹ = 36560653 is a prime.

It is a Curzon number.

It is a congruent 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, 1218691 + ... + 1218720.

It is an arithmetic number, because the mean of its divisors is an integer number (7312236).

Almost surely, 2^36561165 is an apocalyptic number.

It is an amenable number.

36561165 is a deficient number, since it is larger than the sum of its proper divisors (21936723).

36561165 is a wasteful number, since it uses less digits than its factorization.

36561165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437419.

The product of its digits is 16200, while the sum is 33.

The square root of 36561165 is about 6046.5829193024. The cubic root of 36561165 is about 331.8995589374.

The spelling of 36561165 in words is "thirty-six million, five hundred sixty-one thousand, one hundred sixty-five".