16036321 has 12 divisors (see below), whose sum is σ = 19471168. Its totient is φ = 12935232.

The previous prime is 16036303. The next prime is 16036327. The reversal of 16036321 is 12363061.

It is not a de Polignac number, because 16036321 - 2⁷ = 16036193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16036292 and 16036301.

It is not an unprimeable number, because it can be changed into a prime (16036327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1941 + ... + 5986.

Almost surely, 2^16036321 is an apocalyptic number.

It is an amenable number.

16036321 is a deficient number, since it is larger than the sum of its proper divisors (3434847).

16036321 is an equidigital number, since it uses as much as digits as its factorization.

16036321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7968 (or 7951 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 16036321 is about 4004.5375513285. The cubic root of 16036321 is about 252.1747391824.

Adding to 16036321 its reverse (12363061), we get a palindrome (28399382).

It can be divided in two parts, 160 and 36321, that added together give a square (36481 = 191²).

The spelling of 16036321 in words is "sixteen million, thirty-six thousand, three hundred twenty-one".