16463265675025 has 27 divisors (see below), whose sum is σ = 22105941391569. Its totient is φ = 12157293738720.

The previous prime is 16463265675023. The next prime is 16463265675047. The reversal of 16463265675025 is 52057656236461.

It is a happy number.

The square root of 16463265675025 is 4057495.

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 4243431081681 + 12219834593344 = 2059959^2 + 3495688^2 .

It is not a de Polignac number, because 16463265675025 - 2¹ = 16463265675023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16463265675023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 263705964 + ... + 263768386.

Almost surely, 2^{16463265675025} is an apocalyptic number.

16463265675025 is the 4057495-th square number.

16463265675025 is the 2028748-th centered octagonal number.

It is an amenable number.

16463265675025 is a deficient number, since it is larger than the sum of its proper divisors (5642675716544).

16463265675025 is an frugal number, since it uses more digits than its factorization.

16463265675025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124882 (or 62441 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 58.

The spelling of 16463265675025 in words is "sixteen trillion, four hundred sixty-three billion, two hundred sixty-five million, six hundred seventy-five thousand, twenty-five".