52666422185 has 16 divisors (see below), whose sum is σ = 68068277760. Its totient is φ = 38888095680.

The previous prime is 52666422119. The next prime is 52666422197. The reversal of 52666422185 is 58122466625.

It is not a de Polignac number, because 52666422185 - 2¹⁶ = 52666356649 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686300 + ... + 759170.

It is an arithmetic number, because the mean of its divisors is an integer number (4254267360).

Almost surely, 2^52666422185 is an apocalyptic number.

It is an amenable number.

52666422185 is a deficient number, since it is larger than the sum of its proper divisors (15401855575).

52666422185 is a wasteful number, since it uses less digits than its factorization.

52666422185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84008.

The product of its digits is 1382400, while the sum is 47.

The spelling of 52666422185 in words is "fifty-two billion, six hundred sixty-six million, four hundred twenty-two thousand, one hundred eighty-five".