16514223225 has 24 divisors (see below), whose sum is σ = 27333339840. Its totient is φ = 8797965120.

The previous prime is 16514223211. The next prime is 16514223227. The reversal of 16514223225 is 52232241561.

It is a happy number.

16514223225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16514223225 - 2⁸ = 16514222969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16514223227) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 50874 + ... + 188723.

It is an arithmetic number, because the mean of its divisors is an integer number (1138889160).

Almost surely, 2^16514223225 is an apocalyptic number.

16514223225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16514223225 is a deficient number, since it is larger than the sum of its proper divisors (10819116615).

16514223225 is a wasteful number, since it uses less digits than its factorization.

16514223225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240529 (or 240524 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

Adding to 16514223225 its reverse (52232241561), we get a palindrome (68746464786).

The spelling of 16514223225 in words is "sixteen billion, five hundred fourteen million, two hundred twenty-three thousand, two hundred twenty-five".