16308567025 has 9 divisors (see below), whose sum is σ = 20223414913. Its totient is φ = 13046342800.

The previous prime is 16308567019. The next prime is 16308567047. The reversal of 16308567025 is 52076580361.

The square root of 16308567025 is 127705.

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 607474609 + 15701092416 = 24647^2 + 125304^2 .

It is not a de Polignac number, because 16308567025 - 2⁵ = 16308566993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 625755 + ... + 651295.

Almost surely, 2^16308567025 is an apocalyptic number.

16308567025 is the 127705-th square number.

16308567025 is the 63853-rd centered octagonal number.

It is an amenable number.

16308567025 is a deficient number, since it is larger than the sum of its proper divisors (3914847888).

16308567025 is an frugal number, since it uses more digits than its factorization.

16308567025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51092 (or 25546 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 16308567025 in words is "sixteen billion, three hundred eight million, five hundred sixty-seven thousand, twenty-five".