16675848225 has 27 divisors (see below), whose sum is σ = 29871766873. Its totient is φ = 8892752640.

The previous prime is 16675848187. The next prime is 16675848229. The reversal of 16675848225 is 52284857661.

The square root of 16675848225 is 129135.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2758455441 + 13917392784 = 52521^2 + 117972^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16675848225 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16675848229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1932721 + ... + 1941329.

Almost surely, 2^16675848225 is an apocalyptic number.

16675848225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16675848225 is the 129135-th square number.

16675848225 is the 64568-th centered octagonal number.

It is an amenable number.

16675848225 is a deficient number, since it is larger than the sum of its proper divisors (13195918648).

16675848225 is an frugal number, since it uses more digits than its factorization.

16675848225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17234 (or 8617 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

It can be divided in two parts, 16675 and 848225, that added together give a square (864900 = 930²).

The spelling of 16675848225 in words is "sixteen billion, six hundred seventy-five million, eight hundred forty-eight thousand, two hundred twenty-five".