16382916 has 54 divisors (see below), whose sum is σ = 45531486. Its totient is φ = 4963200.

The previous prime is 16382909. The next prime is 16382963. The reversal of 16382916 is 61928361.

16382916 is a `hidden beast` number, since 1 + 638 + 2 + 9 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13660416 + 2722500 = 3696^2 + 1650^2 .

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

It is a zygodrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2476 + ... + 6236.

Almost surely, 2^16382916 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 16382916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22765743).

16382916 is an abundant number, since it is smaller than the sum of its proper divisors (29148570).

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

16382916 is a wasteful number, since it uses less digits than its factorization.

16382916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793 (or 3777 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 16382916 is about 4047.5815001060. The cubic root of 16382916 is about 253.9785668153.

It can be divided in two parts, 1638 and 2916, that added together give a palindrome (4554).

The spelling of 16382916 in words is "sixteen million, three hundred eighty-two thousand, nine hundred sixteen".