66310040084 has 12 divisors (see below), whose sum is σ = 117511464000. Its totient is φ = 32735336088.

The previous prime is 66310040077. The next prime is 66310040087. The reversal of 66310040084 is 48004001366.

It is a self number, because there is not a number n which added to its sum of digits gives 66310040084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66310040087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104920634 + ... + 104921265.

It is an arithmetic number, because the mean of its divisors is an integer number (9792622000).

Almost surely, 2^66310040084 is an apocalyptic number.

It is an amenable number.

66310040084 is a deficient number, since it is larger than the sum of its proper divisors (51201423916).

66310040084 is a wasteful number, since it uses less digits than its factorization.

66310040084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209841982 (or 209841980 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 66310040084 in words is "sixty-six billion, three hundred ten million, forty thousand, eighty-four".