159667161 has 16 divisors (see below), whose sum is σ = 218973888. Its totient is φ = 103424000.

The previous prime is 159667153. The next prime is 159667169. The reversal of 159667161 is 161766951.

It is an interprime number because it is at equal distance from previous prime (159667153) and next prime (159667169).

It is a cyclic number.

It is not a de Polignac number, because 159667161 - 2³ = 159667153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159667169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29086 + ... + 34136.

It is an arithmetic number, because the mean of its divisors is an integer number (13685868).

Almost surely, 2^159667161 is an apocalyptic number.

It is an amenable number.

159667161 is a deficient number, since it is larger than the sum of its proper divisors (59306727).

159667161 is a wasteful number, since it uses less digits than its factorization.

159667161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352.

The product of its digits is 68040, while the sum is 42.

The square root of 159667161 is about 12635.9471746284. The cubic root of 159667161 is about 542.5068186335.

The spelling of 159667161 in words is "one hundred fifty-nine million, six hundred sixty-seven thousand, one hundred sixty-one".