36165538 has 4 divisors (see below), whose sum is σ = 54248310. Its totient is φ = 18082768.

The previous prime is 36165529. The next prime is 36165551. The reversal of 36165538 is 83556163.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30769209 + 5396329 = 5547^2 + 2323^2 .

It is a super-2 number, since 2×36165538² = 2615892277658888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36165497 and 36165506.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9041383 + ... + 9041386.

Almost surely, 2^36165538 is an apocalyptic number.

36165538 is a deficient number, since it is larger than the sum of its proper divisors (18082772).

36165538 is a wasteful number, since it uses less digits than its factorization.

36165538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18082771.

The product of its digits is 64800, while the sum is 37.

The square root of 36165538 is about 6013.7790115700. The cubic root of 36165538 is about 330.6980570829.

The spelling of 36165538 in words is "thirty-six million, one hundred sixty-five thousand, five hundred thirty-eight".