16231424 has 66 divisors (see below), whose sum is σ = 35937132. Its totient is φ = 7321600.

The previous prime is 16231393. The next prime is 16231427. The reversal of 16231424 is 42413261.

Its product of digits (1152) is a multiple of the sum of its prime divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 16231424.

It is not an unprimeable number, because it can be changed into a prime (16231427) 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 5 ways as a sum of consecutive naturals, for example, 123839 + ... + 123969.

It is an arithmetic number, because the mean of its divisors is an integer number (544502).

Almost surely, 2^16231424 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 16231424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17968566).

16231424 is an abundant number, since it is smaller than the sum of its proper divisors (19705708).

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

16231424 is a wasteful number, since it uses less digits than its factorization.

16231424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 144 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 16231424 is about 4028.8241460754. The cubic root of 16231424 is about 253.1932990314.

Adding to 16231424 its reverse (42413261), we get a palindrome (58644685).

The spelling of 16231424 in words is "sixteen million, two hundred thirty-one thousand, four hundred twenty-four".