16319286 has 64 divisors (see below), whose sum is σ = 39787200. Its totient is φ = 4935168.

The previous prime is 16319273. The next prime is 16319287. The reversal of 16319286 is 68291361.

16319286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16319286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16319287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26316 + ... + 26928.

It is an arithmetic number, because the mean of its divisors is an integer number (621675).

Almost surely, 2^16319286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16319286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19893600).

16319286 is an abundant number, since it is smaller than the sum of its proper divisors (23467914).

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

16319286 is a wasteful number, since it uses less digits than its factorization.

16319286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 664 counting only the distinct ones).

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

The square root of 16319286 is about 4039.7136037100. The cubic root of 16319286 is about 253.6493290548.

The spelling of 16319286 in words is "sixteen million, three hundred nineteen thousand, two hundred eighty-six".