66105700112 has 10 divisors (see below), whose sum is σ = 128079793998. Its totient is φ = 33052850048.

The previous prime is 66105700099. The next prime is 66105700121. The reversal of 66105700112 is 21100750166.

66105700112 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 only one way, i.e., 41218744576 + 24886955536 = 203024^2 + 157756^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2065803113 + ... + 2065803144.

Almost surely, 2^66105700112 is an apocalyptic number.

It is an amenable number.

66105700112 is a deficient number, since it is larger than the sum of its proper divisors (61974093886).

66105700112 is a wasteful number, since it uses less digits than its factorization.

66105700112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131606265 (or 4131606259 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 66105700112 in words is "sixty-six billion, one hundred five million, seven hundred thousand, one hundred twelve".