16260728 has 32 divisors (see below), whose sum is σ = 33696000. Its totient is φ = 7294560.

The previous prime is 16260719. The next prime is 16260743. The reversal of 16260728 is 82706261.

It is a super-2 number, since 2×16260728² = 528822550179968, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 16260694 and 16260703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5783 + ... + 8121.

It is an arithmetic number, because the mean of its divisors is an integer number (1053000).

Almost surely, 2^16260728 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 16260728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16848000).

16260728 is an abundant number, since it is smaller than the sum of its proper divisors (17435272).

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

16260728 is a wasteful number, since it uses less digits than its factorization.

16260728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435 (or 2431 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 16260728 is about 4032.4592992366. The cubic root of 16260728 is about 253.3455780477.

Adding to 16260728 its reverse (82706261), we get a palindrome (98966989).

The spelling of 16260728 in words is "sixteen million, two hundred sixty thousand, seven hundred twenty-eight".