159173393 has 8 divisors (see below), whose sum is σ = 167968800. Its totient is φ = 150419808.

The previous prime is 159173369. The next prime is 159173453. The reversal of 159173393 is 393371951.

159173393 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.

It is not a de Polignac number, because 159173393 - 2¹⁶ = 159107857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 159173393.

It is not an unprimeable number, because it can be changed into a prime (159173323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2471 + ... + 18012.

It is an arithmetic number, because the mean of its divisors is an integer number (20996100).

Almost surely, 2^159173393 is an apocalyptic number.

It is an amenable number.

159173393 is a deficient number, since it is larger than the sum of its proper divisors (8795407).

159173393 is a wasteful number, since it uses less digits than its factorization.

159173393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20911.

The product of its digits is 76545, while the sum is 41.

The square root of 159173393 is about 12616.3938191545. The cubic root of 159173393 is about 541.9470101107.

The spelling of 159173393 in words is "one hundred fifty-nine million, one hundred seventy-three thousand, three hundred ninety-three".