36538161 has 8 divisors (see below), whose sum is σ = 53146464. Its totient is φ = 22144320.

The previous prime is 36538157. The next prime is 36538163. The reversal of 36538161 is 16183563.

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

It is not a de Polignac number, because 36538161 - 2² = 36538157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1107217 = 36538161 / (3 + 6 + 5 + 3 + 8 + 1 + 6 + 1).

It is not an unprimeable number, because it can be changed into a prime (36538163) 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, 553576 + ... + 553641.

It is an arithmetic number, because the mean of its divisors is an integer number (6643308).

Almost surely, 2^36538161 is an apocalyptic number.

It is an amenable number.

36538161 is a deficient number, since it is larger than the sum of its proper divisors (16608303).

36538161 is a wasteful number, since it uses less digits than its factorization.

36538161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107231.

The product of its digits is 12960, while the sum is 33.

The square root of 36538161 is about 6044.6803885731. The cubic root of 36538161 is about 331.8299347947.

The spelling of 36538161 in words is "thirty-six million, five hundred thirty-eight thousand, one hundred sixty-one".