16263424 has 72 divisors (see below), whose sum is σ = 35651448. Its totient is φ = 7372800.

The previous prime is 16263413. The next prime is 16263427. The reversal of 16263424 is 42436261.

It can be written as a sum of positive squares in 4 ways, for example, as 12390400 + 3873024 = 3520^2 + 1968^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16263392 and 16263401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16263427) 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, 160974 + ... + 161074.

It is an arithmetic number, because the mean of its divisors is an integer number (495159).

Almost surely, 2^16263424 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 16263424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17825724).

16263424 is an abundant number, since it is smaller than the sum of its proper divisors (19388024).

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

16263424 is a wasteful number, since it uses less digits than its factorization.

16263424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 157 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 16263424 is about 4032.7935726987. The cubic root of 16263424 is about 253.3595786905.

Adding to 16263424 its reverse (42436261), we get a palindrome (58699685).

It can be divided in two parts, 1626 and 3424, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 16263424 in words is "sixteen million, two hundred sixty-three thousand, four hundred twenty-four".