666407310052 has 48 divisors (see below), whose sum is σ = 1284876028800. Its totient is φ = 299903304960.

The previous prime is 666407310047. The next prime is 666407310059. The reversal of 666407310052 is 250013704666.

It is a junction number, because it is equal to n+sod(n) for n = 666407309987 and 666407310014.

It is not an unprimeable number, because it can be changed into a prime (666407310059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23593074 + ... + 23621302.

It is an arithmetic number, because the mean of its divisors is an integer number (26768250600).

Almost surely, 2^666407310052 is an apocalyptic number.

It is an amenable number.

666407310052 is a deficient number, since it is larger than the sum of its proper divisors (618468718748).

666407310052 is a wasteful number, since it uses less digits than its factorization.

666407310052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33556 (or 33554 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 666407310052 in words is "six hundred sixty-six billion, four hundred seven million, three hundred ten thousand, fifty-two".