36163865 has 8 divisors (see below), whose sum is σ = 43519680. Its totient is φ = 28849072.

The previous prime is 36163849. The next prime is 36163867. The reversal of 36163865 is 56836163.

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

It is a cyclic number.

It is not a de Polignac number, because 36163865 - 2⁴ = 36163849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36163867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8279 + ... + 11868.

It is an arithmetic number, because the mean of its divisors is an integer number (5439960).

Almost surely, 2^36163865 is an apocalyptic number.

It is an amenable number.

36163865 is a deficient number, since it is larger than the sum of its proper divisors (7355815).

36163865 is a wasteful number, since it uses less digits than its factorization.

36163865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20511.

The product of its digits is 77760, while the sum is 38.

The square root of 36163865 is about 6013.6399127317. The cubic root of 36163865 is about 330.6929576945.

The spelling of 36163865 in words is "thirty-six million, one hundred sixty-three thousand, eight hundred sixty-five".