66755285106 has 32 divisors (see below), whose sum is σ = 134403993600. Its totient is φ = 22103229456.

The previous prime is 66755285063. The next prime is 66755285119. The reversal of 66755285106 is 60158255766.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678705 + ... + 770811.

It is an arithmetic number, because the mean of its divisors is an integer number (4200124800).

Almost surely, 2^66755285106 is an apocalyptic number.

66755285106 is an abundant number, since it is smaller than the sum of its proper divisors (67648708494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66755285106 is a wasteful number, since it uses less digits than its factorization.

66755285106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92918.

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 66755285106 in words is "sixty-six billion, seven hundred fifty-five million, two hundred eighty-five thousand, one hundred six".