665606325433414 has 16 divisors (see below), whose sum is σ = 1018646643032928. Its totient is φ = 326074718990592.

The previous prime is 665606325433397. The next prime is 665606325433477. The reversal of 665606325433414 is 414334523606566.

665606325433414 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 in 7 ways as a sum of consecutive naturals, for example, 4318564587 + ... + 4318718710.

It is an arithmetic number, because the mean of its divisors is an integer number (63665415189558).

Almost surely, 2^{665606325433414} is an apocalyptic number.

665606325433414 is a deficient number, since it is larger than the sum of its proper divisors (353040317599514).

665606325433414 is a wasteful number, since it uses less digits than its factorization.

665606325433414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8637284079.

The product of its (nonzero) digits is 111974400, while the sum is 58.

The spelling of 665606325433414 in words is "six hundred sixty-five trillion, six hundred six billion, three hundred twenty-five million, four hundred thirty-three thousand, four hundred fourteen".