16003416 has 64 divisors (see below), whose sum is σ = 47013120. Its totient is φ = 4475520.

The previous prime is 16003391. The next prime is 16003441. The reversal of 16003416 is 61430061.

It is an interprime number because it is at equal distance from previous prime (16003391) and next prime (16003441).

It is a super-2 number, since 2×16003416² = 512218647338112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16003392 and 16003401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101 + ... + 5763.

It is an arithmetic number, because the mean of its divisors is an integer number (734580).

Almost surely, 2^16003416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16003416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23506560).

16003416 is an abundant number, since it is smaller than the sum of its proper divisors (31009704).

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

16003416 is a wasteful number, since it uses less digits than its factorization.

16003416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4696 (or 4692 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 16003416 is about 4000.4269772113. The cubic root of 16003416 is about 252.0021415792.

Adding to 16003416 its reverse (61430061), we get a palindrome (77433477).

The spelling of 16003416 in words is "sixteen million, three thousand, four hundred sixteen".