159794387165 has 8 divisors (see below), whose sum is σ = 219146588160. Its totient is φ = 109573294032.

The previous prime is 159794387089. The next prime is 159794387171. The reversal of 159794387165 is 561783497951.

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

It is a cyclic number.

It is not a de Polignac number, because 159794387165 - 2⁸ = 159794386909 is a prime.

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, 2282776925 + ... + 2282776994.

It is an arithmetic number, because the mean of its divisors is an integer number (27393323520).

Almost surely, 2^159794387165 is an apocalyptic number.

It is an amenable number.

159794387165 is a deficient number, since it is larger than the sum of its proper divisors (59352200995).

159794387165 is an equidigital number, since it uses as much as digits as its factorization.

159794387165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565553931.

The product of its digits is 57153600, while the sum is 65.

The spelling of 159794387165 in words is "one hundred fifty-nine billion, seven hundred ninety-four million, three hundred eighty-seven thousand, one hundred sixty-five".