16364413225 has 6 divisors (see below), whose sum is σ = 20291872430. Its totient is φ = 13091530560.

The previous prime is 16364413223. The next prime is 16364413229. The reversal of 16364413225 is 52231446361.

16364413225 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 3 ways, for example, as 93624976 + 16270788249 = 9676^2 + 127557^2 .

It is not a de Polignac number, because 16364413225 - 2¹ = 16364413223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16364413223) 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 5 ways as a sum of consecutive naturals, for example, 327288240 + ... + 327288289.

Almost surely, 2^16364413225 is an apocalyptic number.

It is an amenable number.

16364413225 is a deficient number, since it is larger than the sum of its proper divisors (3927459205).

16364413225 is an equidigital number, since it uses as much as digits as its factorization.

16364413225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654576539 (or 654576534 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

Adding to 16364413225 its reverse (52231446361), we get a palindrome (68595859586).

The spelling of 16364413225 in words is "sixteen billion, three hundred sixty-four million, four hundred thirteen thousand, two hundred twenty-five".