16524266225 has 6 divisors (see below), whose sum is σ = 20490090150. Its totient is φ = 13219412960.

The previous prime is 16524266221. The next prime is 16524266243. The reversal of 16524266225 is 52266242561.

It can be written as a sum of positive squares in 3 ways, for example, as 254753521 + 16269512704 = 15961^2 + 127552^2 .

It is not a de Polignac number, because 16524266225 - 2² = 16524266221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16524266221) 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 5 ways as a sum of consecutive naturals, for example, 330485300 + ... + 330485349.

It is an arithmetic number, because the mean of its divisors is an integer number (3415015025).

Almost surely, 2^16524266225 is an apocalyptic number.

It is an amenable number.

16524266225 is a deficient number, since it is larger than the sum of its proper divisors (3965823925).

16524266225 is an equidigital number, since it uses as much as digits as its factorization.

16524266225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660970659 (or 660970654 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The spelling of 16524266225 in words is "sixteen billion, five hundred twenty-four million, two hundred sixty-six thousand, two hundred twenty-five".