16320768 has 72 divisors (see below), whose sum is σ = 44150400. Its totient is φ = 5351424.

The previous prime is 16320763. The next prime is 16320769. The reversal of 16320768 is 86702361.

It is not an unprimeable number, because it can be changed into a prime (16320763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60538 + ... + 60806.

It is an arithmetic number, because the mean of its divisors is an integer number (613200).

Almost surely, 2^16320768 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 16320768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22075200).

16320768 is an abundant number, since it is smaller than the sum of its proper divisors (27829632).

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

16320768 is an equidigital number, since it uses as much as digits as its factorization.

16320768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 16320768 is about 4039.8970283907. The cubic root of 16320768 is about 253.6570070240.

The spelling of 16320768 in words is "sixteen million, three hundred twenty thousand, seven hundred sixty-eight".