16321363 has 4 divisors (see below), whose sum is σ = 16337808. Its totient is φ = 16304920.

The previous prime is 16321351. The next prime is 16321373. The reversal of 16321363 is 36312361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36312361 = 1811 ⋅20051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16321363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16321303) 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 3 ways as a sum of consecutive naturals, for example, 6631 + ... + 8752.

It is an arithmetic number, because the mean of its divisors is an integer number (4084452).

Almost surely, 2^16321363 is an apocalyptic number.

16321363 is a deficient number, since it is larger than the sum of its proper divisors (16445).

16321363 is a wasteful number, since it uses less digits than its factorization.

16321363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16444.

The product of its digits is 1944, while the sum is 25.

The square root of 16321363 is about 4039.9706682104. The cubic root of 16321363 is about 253.6600894787.

The spelling of 16321363 in words is "sixteen million, three hundred twenty-one thousand, three hundred sixty-three".