16896100225 has 9 divisors (see below), whose sum is σ = 20951970217. Its totient is φ = 13516360240.

The previous prime is 16896100223. The next prime is 16896100231. The reversal of 16896100225 is 52200169861.

The square root of 16896100225 is 129985.

It is a perfect power (a square), and thus also a powerful number.

16896100225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5407690369 + 11488409856 = 73537^2 + 107184^2 .

It is not a de Polignac number, because 16896100225 - 2¹ = 16896100223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16896100223) 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 8 ways as a sum of consecutive naturals, for example, 636927 + ... + 662923.

Almost surely, 2^16896100225 is an apocalyptic number.

16896100225 is the 129985-th square number.

16896100225 is the 64993-rd centered octagonal number.

It is an amenable number.

16896100225 is a deficient number, since it is larger than the sum of its proper divisors (4055869992).

16896100225 is an frugal number, since it uses more digits than its factorization.

16896100225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52004 (or 26002 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 16896100225 in words is "sixteen billion, eight hundred ninety-six million, one hundred thousand, two hundred twenty-five".