16316533 has 4 divisors (see below), whose sum is σ = 16388640. Its totient is φ = 16244428.

The previous prime is 16316507. The next prime is 16316551. The reversal of 16316533 is 33561361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16316533 - 2⁵ = 16316501 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 (16316933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35713 + ... + 36166.

It is an arithmetic number, because the mean of its divisors is an integer number (4097160).

Almost surely, 2^16316533 is an apocalyptic number.

It is an amenable number.

16316533 is a deficient number, since it is larger than the sum of its proper divisors (72107).

16316533 is an equidigital number, since it uses as much as digits as its factorization.

16316533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72106.

The product of its digits is 4860, while the sum is 28.

The square root of 16316533 is about 4039.3728473613. The cubic root of 16316533 is about 253.6350650346.

Adding to 16316533 its reverse (33561361), we get a palindrome (49877894).

The spelling of 16316533 in words is "sixteen million, three hundred sixteen thousand, five hundred thirty-three".