66338012170 has 32 divisors (see below), whose sum is σ = 126460275408. Its totient is φ = 24968813568.

The previous prime is 66338012087. The next prime is 66338012183. The reversal of 66338012170 is 7121083366.

66338012170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 58625484129 + 7712528041 = 242127^2 + 87821^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777672 + ... + 858748.

Almost surely, 2^66338012170 is an apocalyptic number.

66338012170 is a deficient number, since it is larger than the sum of its proper divisors (60122263238).

66338012170 is a wasteful number, since it uses less digits than its factorization.

66338012170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85914.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 66338012170 in words is "sixty-six billion, three hundred thirty-eight million, twelve thousand, one hundred seventy".