66584250116 has 24 divisors (see below), whose sum is σ = 121019184384. Its totient is φ = 32020518240.

The previous prime is 66584250113. The next prime is 66584250137. The reversal of 66584250116 is 61105248566.

It is not an unprimeable number, because it can be changed into a prime (66584250113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1626935 + ... + 1667358.

It is an arithmetic number, because the mean of its divisors is an integer number (5042466016).

Almost surely, 2^66584250116 is an apocalyptic number.

It is an amenable number.

66584250116 is a deficient number, since it is larger than the sum of its proper divisors (54434934268).

66584250116 is a wasteful number, since it uses less digits than its factorization.

66584250116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294491 (or 3294489 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 66584250116 in words is "sixty-six billion, five hundred eighty-four million, two hundred fifty thousand, one hundred sixteen".