66064105112 has 8 divisors (see below), whose sum is σ = 123870197100. Its totient is φ = 33032052552.

The previous prime is 66064105087. The next prime is 66064105141. The reversal of 66064105112 is 21150146066.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4129006562 + ... + 4129006577.

Almost surely, 2^66064105112 is an apocalyptic number.

It is an amenable number.

66064105112 is a deficient number, since it is larger than the sum of its proper divisors (57806091988).

66064105112 is a wasteful number, since it uses less digits than its factorization.

66064105112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8258013145 (or 8258013141 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 66064105112 in words is "sixty-six billion, sixty-four million, one hundred five thousand, one hundred twelve".