16116225 has 12 divisors (see below), whose sum is σ = 26645616. Its totient is φ = 8595280.

The previous prime is 16116197. The next prime is 16116227. The reversal of 16116225 is 52261161.

16116225 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16116225 - 2⁷ = 16116097 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16116195 and 16116204.

It is not an unprimeable number, because it can be changed into a prime (16116227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107367 + ... + 107516.

It is an arithmetic number, because the mean of its divisors is an integer number (2220468).

Almost surely, 2^16116225 is an apocalyptic number.

16116225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16116225 is a deficient number, since it is larger than the sum of its proper divisors (10529391).

16116225 is a wasteful number, since it uses less digits than its factorization.

16116225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214896 (or 214891 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 16116225 is about 4014.5018370901. The cubic root of 16116225 is about 252.5928815568.

Adding to 16116225 its reverse (52261161), we get a palindrome (68377386).

The spelling of 16116225 in words is "sixteen million, one hundred sixteen thousand, two hundred twenty-five".