16506316 has 6 divisors (see below), whose sum is σ = 28886060. Its totient is φ = 8253156.

The previous prime is 16506311. The next prime is 16506349. The reversal of 16506316 is 61360561.

16506316 is nontrivially palindromic in base 15.

It is not an unprimeable number, because it can be changed into a prime (16506311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2063286 + ... + 2063293.

Almost surely, 2^16506316 is an apocalyptic number.

It is an amenable number.

16506316 is a deficient number, since it is larger than the sum of its proper divisors (12379744).

16506316 is a wasteful number, since it uses less digits than its factorization.

16506316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126583 (or 4126581 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 16506316 is about 4062.7965737900. The cubic root of 16506316 is about 254.6146479952.

Adding to 16506316 its reverse (61360561), we get a palindrome (77866877).

The spelling of 16506316 in words is "sixteen million, five hundred six thousand, three hundred sixteen".