66382848625 has 8 divisors (see below), whose sum is σ = 82845795240. Its totient is φ = 53106278800.

The previous prime is 66382848601. The next prime is 66382848647. The reversal of 66382848625 is 52684828366.

It can be written as a sum of positive squares in 4 ways, for example, as 212488929 + 66170359696 = 14577^2 + 257236^2 .

It is not a de Polignac number, because 66382848625 - 2³³ = 57792914033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66382848625.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265531270 + ... + 265531519.

It is an arithmetic number, because the mean of its divisors is an integer number (10355724405).

Almost surely, 2^66382848625 is an apocalyptic number.

It is an amenable number.

66382848625 is a deficient number, since it is larger than the sum of its proper divisors (16462946615).

66382848625 is an equidigital number, since it uses as much as digits as its factorization.

66382848625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531062804 (or 531062794 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 58.

The spelling of 66382848625 in words is "sixty-six billion, three hundred eighty-two million, eight hundred forty-eight thousand, six hundred twenty-five".