16422816 has 96 divisors (see below), whose sum is σ = 47355840. Its totient is φ = 4960256.

The previous prime is 16422803. The next prime is 16422829. The reversal of 16422816 is 61822461.

It is an interprime number because it is at equal distance from previous prime (16422803) and next prime (16422829).

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 47155 + ... + 47501.

It is an arithmetic number, because the mean of its divisors is an integer number (493290).

Almost surely, 2^16422816 is an apocalyptic number.

16422816 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 16422816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23677920).

16422816 is an abundant number, since it is smaller than the sum of its proper divisors (30933024).

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

16422816 is a wasteful number, since it uses less digits than its factorization.

16422816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 398 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 16422816 is about 4052.5073719859. The cubic root of 16422816 is about 254.1845848636.

The spelling of 16422816 in words is "sixteen million, four hundred twenty-two thousand, eight hundred sixteen".