66552572425835 has 32 divisors (see below), whose sum is σ = 82589040633600. Its totient is φ = 51454944148608.

The previous prime is 66552572425819. The next prime is 66552572425849. The reversal of 66552572425835 is 53852427525566.

It is not a de Polignac number, because 66552572425835 - 2⁴ = 66552572425819 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349660604 + ... + 349850886.

It is an arithmetic number, because the mean of its divisors is an integer number (2580907519800).

Almost surely, 2^{66552572425835} is an apocalyptic number.

66552572425835 is a deficient number, since it is larger than the sum of its proper divisors (16036468207765).

66552572425835 is a wasteful number, since it uses less digits than its factorization.

66552572425835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210107.

The product of its digits is 604800000, while the sum is 65.

The spelling of 66552572425835 in words is "sixty-six trillion, five hundred fifty-two billion, five hundred seventy-two million, four hundred twenty-five thousand, eight hundred thirty-five".