16916256 has 96 divisors (see below), whose sum is σ = 56407680. Its totient is φ = 4831488.

The previous prime is 16916239. The next prime is 16916281. The reversal of 16916256 is 65261961.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 16916256.

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, 4650 + ... + 7446.

It is an arithmetic number, because the mean of its divisors is an integer number (587580).

Almost surely, 2^16916256 is an apocalyptic number.

16916256 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 16916256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28203840).

16916256 is an abundant number, since it is smaller than the sum of its proper divisors (39491424).

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

16916256 is a wasteful number, since it uses less digits than its factorization.

16916256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823 (or 2809 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 16916256 is about 4112.9376362887. The cubic root of 16916256 is about 256.7052493488.

The spelling of 16916256 in words is "sixteen million, nine hundred sixteen thousand, two hundred fifty-six".