16016416 has 24 divisors (see below), whose sum is σ = 33958764. Its totient is φ = 7392000.

The previous prime is 16016401. The next prime is 16016423. The reversal of 16016416 is 61461061.

16016416 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 2 ways, for example, as 15968016 + 48400 = 3996^2 + 220^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18835 + ... + 19666.

Almost surely, 2^16016416 is an apocalyptic number.

16016416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16016416 is an abundant number, since it is smaller than the sum of its proper divisors (17942348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16016416 is a wasteful number, since it uses less digits than its factorization.

16016416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38524 (or 38516 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 16016416 is about 4002.0514739318. The cubic root of 16016416 is about 252.0703591225.

Adding to 16016416 its reverse (61461061), we get a palindrome (77477477).

The spelling of 16016416 in words is "sixteen million, sixteen thousand, four hundred sixteen".