16132816 has 40 divisors (see below), whose sum is σ = 36961920. Its totient is φ = 6674304.

The previous prime is 16132807. The next prime is 16132817. The reversal of 16132816 is 61823161.

16132816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16132817) 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, 765 + ... + 5731.

It is an arithmetic number, because the mean of its divisors is an integer number (924048).

Almost surely, 2^16132816 is an apocalyptic number.

16132816 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 16132816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18480960).

16132816 is an abundant number, since it is smaller than the sum of its proper divisors (20829104).

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

16132816 is a wasteful number, since it uses less digits than its factorization.

16132816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011 (or 5005 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 16132816 is about 4016.5676889603. The cubic root of 16132816 is about 252.6795298722.

Adding to 16132816 its reverse (61823161), we get a palindrome (77955977).

The spelling of 16132816 in words is "sixteen million, one hundred thirty-two thousand, eight hundred sixteen".