16131424 has 24 divisors (see below), whose sum is σ = 32855760. Its totient is φ = 7787136.

The previous prime is 16131421. The next prime is 16131443. The reversal of 16131424 is 42413161.

It is a junction number, because it is equal to n+sod(n) for n = 16131395 and 16131404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16131421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7764 + ... + 9619.

It is an arithmetic number, because the mean of its divisors is an integer number (1368990).

Almost surely, 2^16131424 is an apocalyptic number.

It is an amenable number.

16131424 is an abundant number, since it is smaller than the sum of its proper divisors (16724336).

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

16131424 is a wasteful number, since it uses less digits than its factorization.

16131424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17422 (or 17414 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 16131424 is about 4016.3944029440. The cubic root of 16131424 is about 252.6722622834.

Adding to 16131424 its reverse (42413161), we get a palindrome (58544585).

The spelling of 16131424 in words is "sixteen million, one hundred thirty-one thousand, four hundred twenty-four".