665436227113146 has 8 divisors (see below), whose sum is σ = 1330872454226304. Its totient is φ = 221812075704380.

The previous prime is 665436227113129. The next prime is 665436227113171. The reversal of 665436227113146 is 641311722634566.

665436227113146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

665436227113146 is an admirable number.

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, 55453018926090 + ... + 55453018926101.

It is an arithmetic number, because the mean of its divisors is an integer number (166359056778288).

Almost surely, 2^{665436227113146} is an apocalyptic number.

665436227113146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

665436227113146 is a wasteful number, since it uses less digits than its factorization.

665436227113146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110906037852196.

The product of its digits is 26127360, while the sum is 57.

The spelling of 665436227113146 in words is "six hundred sixty-five trillion, four hundred thirty-six billion, two hundred twenty-seven million, one hundred thirteen thousand, one hundred forty-six".