159791065 has 16 divisors (see below), whose sum is σ = 219379968. Its totient is φ = 109452096.

The previous prime is 159791039. The next prime is 159791077. The reversal of 159791065 is 560197951.

It is a cyclic number.

It is not a de Polignac number, because 159791065 - 2⁷ = 159790937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40939 + ... + 44671.

It is an arithmetic number, because the mean of its divisors is an integer number (13711248).

Almost surely, 2^159791065 is an apocalyptic number.

It is an amenable number.

159791065 is a deficient number, since it is larger than the sum of its proper divisors (59588903).

159791065 is a wasteful number, since it uses less digits than its factorization.

159791065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4968.

The product of its (nonzero) digits is 85050, while the sum is 43.

The square root of 159791065 is about 12640.8490616730. The cubic root of 159791065 is about 542.6471133656.

The spelling of 159791065 in words is "one hundred fifty-nine million, seven hundred ninety-one thousand, sixty-five".