16224059529225 has 144 divisors (see below), whose sum is σ = 31582968144000. Its totient is φ = 8240462968320.

The previous prime is 16224059529163. The next prime is 16224059529229. The reversal of 16224059529225 is 52292595042261.

It is a happy number.

16224059529225 is a `hidden beast` number, since 1 + 6 + 2 + 2 + 4 + 0 + 595 + 29 + 2 + 25 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-16224059529225 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16224059529229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 31743501 + ... + 32250549.

Almost surely, 2^{16224059529225} is an apocalyptic number.

16224059529225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16224059529225 is a deficient number, since it is larger than the sum of its proper divisors (15358908614775).

16224059529225 is a wasteful number, since it uses less digits than its factorization.

16224059529225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507326 (or 507309 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 16224059529225 in words is "sixteen trillion, two hundred twenty-four billion, fifty-nine million, five hundred twenty-nine thousand, two hundred twenty-five".