36161389 has 8 divisors (see below), whose sum is σ = 41525280. Its totient is φ = 31143600.

The previous prime is 36161383. The next prime is 36161393. The reversal of 36161389 is 98316163.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36161389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36161383) 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, 86302 + ... + 86719.

It is an arithmetic number, because the mean of its divisors is an integer number (5190660).

Almost surely, 2^36161389 is an apocalyptic number.

It is an amenable number.

36161389 is a deficient number, since it is larger than the sum of its proper divisors (5363891).

36161389 is a wasteful number, since it uses less digits than its factorization.

36161389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173051.

The product of its digits is 23328, while the sum is 37.

The square root of 36161389 is about 6013.4340438721. The cubic root of 36161389 is about 330.6854104329.

It can be divided in two parts, 3616 and 1389, that added together give a palindrome (5005).

The spelling of 36161389 in words is "thirty-six million, one hundred sixty-one thousand, three hundred eighty-nine".