66020883068 has 24 divisors (see below), whose sum is σ = 132364629600. Its totient is φ = 28225479168.

The previous prime is 66020883059. The next prime is 66020883077. The reversal of 66020883068 is 86038802066.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66020883059) and next prime (66020883077).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2871053 + ... + 2893956.

It is an arithmetic number, because the mean of its divisors is an integer number (5515192900).

Almost surely, 2^66020883068 is an apocalyptic number.

It is an amenable number.

66020883068 is an abundant number, since it is smaller than the sum of its proper divisors (66343746532).

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

66020883068 is a wasteful number, since it uses less digits than its factorization.

66020883068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765429 (or 5765427 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 66020883068 in words is "sixty-six billion, twenty million, eight hundred eighty-three thousand, sixty-eight".