666849230016 has 28 divisors (see below), whose sum is σ = 1764371921592. Its totient is φ = 222283076608.

The previous prime is 666849229999. The next prime is 666849230039. The reversal of 666849230016 is 610032948666.

It is a happy number.

666849230016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1736586345 + ... + 1736586728.

It is an arithmetic number, because the mean of its divisors is an integer number (63013282914).

Almost surely, 2^666849230016 is an apocalyptic number.

It is an amenable number.

666849230016 is an abundant number, since it is smaller than the sum of its proper divisors (1097522691576).

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

666849230016 is a wasteful number, since it uses less digits than its factorization.

666849230016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473173088 (or 3473173078 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 666849230016 in words is "six hundred sixty-six billion, eight hundred forty-nine million, two hundred thirty thousand, sixteen".