16122816 has 84 divisors (see below), whose sum is σ = 48262032. Its totient is φ = 5136384.

The previous prime is 16122803. The next prime is 16122823. The reversal of 16122816 is 61822161.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 16122816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12640 + ... + 13856.

It is an arithmetic number, because the mean of its divisors is an integer number (574548).

Almost surely, 2^16122816 is an apocalyptic number.

16122816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16122816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24131016).

16122816 is an abundant number, since it is smaller than the sum of its proper divisors (32139216).

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

16122816 is a wasteful number, since it uses less digits than its factorization.

16122816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258 (or 1245 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 16122816 is about 4015.3226520418. The cubic root of 16122816 is about 252.6273108928.

Adding to 16122816 its reverse (61822161), we get a palindrome (77944977).

The spelling of 16122816 in words is "sixteen million, one hundred twenty-two thousand, eight hundred sixteen".