16408768 has 28 divisors (see below), whose sum is σ = 32964120. Its totient is φ = 8102912.

The previous prime is 16408759. The next prime is 16408783. The reversal of 16408768 is 86780461.

It is a self number, because there is not a number n which added to its sum of digits gives 16408768.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3768 + ... + 6856.

It is an arithmetic number, because the mean of its divisors is an integer number (1177290).

Almost surely, 2^16408768 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 16408768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16482060).

16408768 is an abundant number, since it is smaller than the sum of its proper divisors (16555352).

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

16408768 is an equidigital number, since it uses as much as digits as its factorization.

16408768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184 (or 3174 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 16408768 is about 4050.7737532476. The cubic root of 16408768 is about 254.1120880868.

The spelling of 16408768 in words is "sixteen million, four hundred eight thousand, seven hundred sixty-eight".