16712025625 has 15 divisors (see below), whose sum is σ = 20887386553. Its totient is φ = 13367035000.

The previous prime is 16712025623. The next prime is 16712025647. The reversal of 16712025625 is 52652021761.

The square root of 16712025625 is 129275.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1310222809 + 15401802816 = 36197^2 + 124104^2 .

It is not a de Polignac number, because 16712025625 - 2¹ = 16712025623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16712025623) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 3229290 + ... + 3234460.

Almost surely, 2^16712025625 is an apocalyptic number.

16712025625 is the 129275-th square number.

16712025625 is the 64638-th centered octagonal number.

It is an amenable number.

16712025625 is a deficient number, since it is larger than the sum of its proper divisors (4175360928).

16712025625 is an frugal number, since it uses more digits than its factorization.

16712025625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10362 (or 5176 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 16712025625 in words is "sixteen billion, seven hundred twelve million, twenty-five thousand, six hundred twenty-five".