66050166105 has 48 divisors (see below), whose sum is σ = 142736989824. Its totient is φ = 27449418240.

The previous prime is 66050166053. The next prime is 66050166121. The reversal of 66050166105 is 50166105066.

It is not a de Polignac number, because 66050166105 - 2⁶ = 66050166041 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66050166105.

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 47 ways as a sum of consecutive naturals, for example, 9527584 + ... + 9534513.

It is an arithmetic number, because the mean of its divisors is an integer number (2973687288).

Almost surely, 2^66050166105 is an apocalyptic number.

It is an amenable number.

66050166105 is an abundant number, since it is smaller than the sum of its proper divisors (76686823719).

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

66050166105 is a wasteful number, since it uses less digits than its factorization.

66050166105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19062126 (or 19062123 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

It can be divided in two parts, 66050166 and 105, that added together give a triangular number (66050271 = T₁₁₄₉₃).

The spelling of 66050166105 in words is "sixty-six billion, fifty million, one hundred sixty-six thousand, one hundred five".