16108225 has 24 divisors (see below), whose sum is σ = 23123520. Its totient is φ = 10902720.

The previous prime is 16108223. The next prime is 16108249. The reversal of 16108225 is 52280161.

It is not a de Polignac number, because 16108225 - 2¹ = 16108223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 16108225.

It is not an unprimeable number, because it can be changed into a prime (16108223) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 13971 + ... + 15079.

It is an arithmetic number, because the mean of its divisors is an integer number (963480).

Almost surely, 2^16108225 is an apocalyptic number.

It is an amenable number.

16108225 is a deficient number, since it is larger than the sum of its proper divisors (7015295).

16108225 is a wasteful number, since it uses less digits than its factorization.

16108225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 16108225 is about 4013.5053257720. The cubic root of 16108225 is about 252.5510794286.

Adding to 16108225 its reverse (52280161), we get a palindrome (68388386).

It can be divided in two parts, 16 and 108225, that added together give a square (108241 = 329²).

The spelling of 16108225 in words is "sixteen million, one hundred eight thousand, two hundred twenty-five".