66086242642828 has 12 divisors (see below), whose sum is σ = 116232085051600. Its totient is φ = 32877075485232.

The previous prime is 66086242642817. The next prime is 66086242642933. The reversal of 66086242642828 is 82824624268066.

It is a self number, because there is not a number n which added to its sum of digits gives 66086242642828.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41511458151 + ... + 41511459742.

Almost surely, 2^{66086242642828} is an apocalyptic number.

It is an amenable number.

66086242642828 is a deficient number, since it is larger than the sum of its proper divisors (50145842408772).

66086242642828 is a wasteful number, since it uses less digits than its factorization.

66086242642828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83022918096 (or 83022918094 counting only the distinct ones).

The product of its (nonzero) digits is 169869312, while the sum is 64.

The spelling of 66086242642828 in words is "sixty-six trillion, eighty-six billion, two hundred forty-two million, six hundred forty-two thousand, eight hundred twenty-eight".