16805264 has 40 divisors (see below), whose sum is σ = 37432128. Its totient is φ = 7159680.

The previous prime is 16805251. The next prime is 16805267. The reversal of 16805264 is 46250861.

It is a self number, because there is not a number n which added to its sum of digits gives 16805264.

It is not an unprimeable number, because it can be changed into a prime (16805267) 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, 25094 + ... + 25754.

Almost surely, 2^16805264 is an apocalyptic number.

16805264 is a gapful number since it is divisible by the number (14) 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 16805264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18716064).

16805264 is an abundant number, since it is smaller than the sum of its proper divisors (20626864).

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

16805264 is a wasteful number, since it uses less digits than its factorization.

16805264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 16805264 is about 4099.4223983386. The cubic root of 16805264 is about 256.1425800800.

The spelling of 16805264 in words is "sixteen million, eight hundred five thousand, two hundred sixty-four".