666673560232 has 16 divisors (see below), whose sum is σ = 1250076484800. Its totient is φ = 333319830960.

The previous prime is 666673560193. The next prime is 666673560239. The reversal of 666673560232 is 232065376666.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 666673560232.

It is not an unprimeable number, because it can be changed into a prime (666673560239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1950694 + ... + 2266837.

It is an arithmetic number, because the mean of its divisors is an integer number (78129780300).

Almost surely, 2^666673560232 is an apocalyptic number.

It is an amenable number.

666673560232 is a deficient number, since it is larger than the sum of its proper divisors (583402924568).

666673560232 is a wasteful number, since it uses less digits than its factorization.

666673560232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237296 (or 4237292 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 52.

The spelling of 666673560232 in words is "six hundred sixty-six billion, six hundred seventy-three million, five hundred sixty thousand, two hundred thirty-two".