159328791 has 6 divisors (see below), whose sum is σ = 230141600. Its totient is φ = 106219188.

The previous prime is 159328787. The next prime is 159328837. The reversal of 159328791 is 197823951.

It is not a de Polignac number, because 159328791 - 2² = 159328787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159328711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8851591 + ... + 8851608.

Almost surely, 2^159328791 is an apocalyptic number.

159328791 is a deficient number, since it is larger than the sum of its proper divisors (70812809).

159328791 is a wasteful number, since it uses less digits than its factorization.

159328791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17703205 (or 17703202 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 159328791 is about 12622.5508911630. The cubic root of 159328791 is about 542.1233169839.

The spelling of 159328791 in words is "one hundred fifty-nine million, three hundred twenty-eight thousand, seven hundred ninety-one".