16500416 has 28 divisors (see below), whose sum is σ = 32887920. Its totient is φ = 8213760.

The previous prime is 16500413. The next prime is 16500427. The reversal of 16500416 is 61400561.

It is a junction number, because it is equal to n+sod(n) for n = 16500391 and 16500400.

It is not an unprimeable number, because it can be changed into a prime (16500413) 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, 19490 + ... + 20318.

Almost surely, 2^16500416 is an apocalyptic number.

16500416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16500416 is a deficient number, since it is larger than the sum of its proper divisors (16387504).

16500416 is an equidigital number, since it uses as much as digits as its factorization.

16500416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 16500416 is about 4062.0704080555. The cubic root of 16500416 is about 254.5843079838.

Adding to 16500416 its reverse (61400561), we get a palindrome (77900977).

The spelling of 16500416 in words is "sixteen million, five hundred thousand, four hundred sixteen".