666189300284 has 6 divisors (see below), whose sum is σ = 1165831275504. Its totient is φ = 333094650140.

The previous prime is 666189300253. The next prime is 666189300311. The reversal of 666189300284 is 482003981666.

666189300284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 83273662532 + ... + 83273662539.

It is an arithmetic number, because the mean of its divisors is an integer number (194305212584).

Almost surely, 2^666189300284 is an apocalyptic number.

It is an amenable number.

666189300284 is a deficient number, since it is larger than the sum of its proper divisors (499641975220).

666189300284 is a wasteful number, since it uses less digits than its factorization.

666189300284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166547325075 (or 166547325073 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 666189300284 in words is "six hundred sixty-six billion, one hundred eighty-nine million, three hundred thousand, two hundred eighty-four".