536666130625 has 15 divisors (see below), whose sum is σ = 670640883253. Its totient is φ = 429318253000.

The previous prime is 536666130607. The next prime is 536666130631. The reversal of 536666130625 is 526031666635.

The square root of 536666130625 is 732575.

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 42074624641 + 494591505984 = 205121^2 + 703272^2 .

It is not a de Polignac number, because 536666130625 - 2⁵ = 536666130593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 18299724 + ... + 18329026.

Almost surely, 2^536666130625 is an apocalyptic number.

536666130625 is the 732575-th square number.

536666130625 is the 366288-th centered octagonal number.

It is an amenable number.

536666130625 is a deficient number, since it is larger than the sum of its proper divisors (133974752628).

536666130625 is an frugal number, since it uses more digits than its factorization.

536666130625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58626 (or 29308 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 49.

Multiplying 536666130625 by its sum of digits (49), we get a square (26296640400625 = 5128025²).

The spelling of 536666130625 in words is "five hundred thirty-six billion, six hundred sixty-six million, one hundred thirty thousand, six hundred twenty-five".