16252144 has 40 divisors (see below), whose sum is σ = 33437840. Its totient is φ = 7630848.

The previous prime is 16252133. The next prime is 16252193. The reversal of 16252144 is 44125261.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58534 + ... + 58810.

It is an arithmetic number, because the mean of its divisors is an integer number (835946).

Almost surely, 2^16252144 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 16252144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16718920).

16252144 is an abundant number, since it is smaller than the sum of its proper divisors (17185696).

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

16252144 is a wasteful number, since it uses less digits than its factorization.

16252144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 491 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 16252144 is about 4031.3947958492. The cubic root of 16252144 is about 253.3009900229.

It can be divided in two parts, 16 and 252144, that multiplied together give a palindrome (4034304).

The spelling of 16252144 in words is "sixteen million, two hundred fifty-two thousand, one hundred forty-four".