159497169 has 16 divisors (see below), whose sum is σ = 232251264. Its totient is φ = 96768000.

The previous prime is 159497161. The next prime is 159497171. The reversal of 159497169 is 961794951.

159497169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 159497169 - 2³ = 159497161 is a prime.

It is a super-2 number, since 2×159497169² = 50878693838029122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (159497161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26032 + ... + 31569.

It is an arithmetic number, because the mean of its divisors is an integer number (14515704).

Almost surely, 2^159497169 is an apocalyptic number.

It is an amenable number.

159497169 is a deficient number, since it is larger than the sum of its proper divisors (72754095).

159497169 is a wasteful number, since it uses less digits than its factorization.

159497169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57688.

The product of its digits is 612360, while the sum is 51.

The square root of 159497169 is about 12629.2188594545. The cubic root of 159497169 is about 542.3142209689.

The spelling of 159497169 in words is "one hundred fifty-nine million, four hundred ninety-seven thousand, one hundred sixty-nine".