16324320 has 96 divisors (see below), whose sum is σ = 52254720. Its totient is φ = 4282880.

The previous prime is 16324307. The next prime is 16324337. The reversal of 16324320 is 2342361.

It is a happy number.

16324320 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33841 + ... + 34319.

It is an arithmetic number, because the mean of its divisors is an integer number (544320).

Almost surely, 2^16324320 is an apocalyptic number.

16324320 is a gapful number since it is divisible by the number (10) 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 16324320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26127360).

16324320 is an abundant number, since it is smaller than the sum of its proper divisors (35930400).

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

16324320 is a wasteful number, since it uses less digits than its factorization.

16324320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 16324320 is about 4040.3366196395. The cubic root of 16324320 is about 253.6754073904.

Adding to 16324320 its reverse (2342361), we get a palindrome (18666681).

The spelling of 16324320 in words is "sixteen million, three hundred twenty-four thousand, three hundred twenty".