36168321 has 16 divisors (see below), whose sum is σ = 56240000. Its totient is φ = 20667024.

The previous prime is 36168317. The next prime is 36168331. The reversal of 36168321 is 12386163.

It is not a de Polignac number, because 36168321 - 2² = 36168317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36168311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16546 + ... + 18603.

It is an arithmetic number, because the mean of its divisors is an integer number (3515000).

Almost surely, 2^36168321 is an apocalyptic number.

It is an amenable number.

36168321 is a deficient number, since it is larger than the sum of its proper divisors (20071679).

36168321 is an equidigital number, since it uses as much as digits as its factorization.

36168321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35173 (or 35159 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 36168321 is about 6014.0103924087. The cubic root of 36168321 is about 330.7065394590.

The spelling of 36168321 in words is "thirty-six million, one hundred sixty-eight thousand, three hundred twenty-one".