16116325 has 6 divisors (see below), whose sum is σ = 19984274. Its totient is φ = 12893040.

The previous prime is 16116251. The next prime is 16116329. The reversal of 16116325 is 52361161.

It can be written as a sum of positive squares in 3 ways, for example, as 1623076 + 14493249 = 1274^2 + 3807^2 .

It is not a de Polignac number, because 16116325 - 2⁷ = 16116197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 644653 = 16116325 / (1 + 6 + 1 + 1 + 6 + 3 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16116325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16116329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322302 + ... + 322351.

Almost surely, 2^16116325 is an apocalyptic number.

It is an amenable number.

16116325 is a deficient number, since it is larger than the sum of its proper divisors (3867949).

16116325 is an equidigital number, since it uses as much as digits as its factorization.

16116325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644663 (or 644658 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 16116325 is about 4014.5142919163. The cubic root of 16116325 is about 252.5934039958.

Adding to 16116325 its reverse (52361161), we get a palindrome (68477486).

The spelling of 16116325 in words is "sixteen million, one hundred sixteen thousand, three hundred twenty-five".