871665130821322 has 16 divisors (see below), whose sum is σ = 1329733448671680. Its totient is φ = 428421478759072.

The previous prime is 871665130821229. The next prime is 871665130821379. The reversal of 871665130821322 is 223128031566178.

871665130821322 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 7 ways as a sum of consecutive naturals, for example, 205599763 + ... + 209796550.

It is an arithmetic number, because the mean of its divisors is an integer number (83108340541980).

Almost surely, 2^{871665130821322} is an apocalyptic number.

871665130821322 is a deficient number, since it is larger than the sum of its proper divisors (458068317850358).

871665130821322 is a wasteful number, since it uses less digits than its factorization.

871665130821322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415414157.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 871665130821322 in words is "eight hundred seventy-one trillion, six hundred sixty-five billion, one hundred thirty million, eight hundred twenty-one thousand, three hundred twenty-two".