159668111 has 8 divisors (see below), whose sum is σ = 161834064. Its totient is φ = 157512960.

The previous prime is 159668107. The next prime is 159668141. The reversal of 159668111 is 111866951.

159668111 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 a cyclic number.

It is not a de Polignac number, because 159668111 - 2² = 159668107 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 (159668141) 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, 29621 + ... + 34593.

It is an arithmetic number, because the mean of its divisors is an integer number (20229258).

Almost surely, 2^159668111 is an apocalyptic number.

159668111 is a deficient number, since it is larger than the sum of its proper divisors (2165953).

159668111 is an equidigital number, since it uses as much as digits as its factorization.

159668111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401.

The product of its digits is 12960, while the sum is 38.

The square root of 159668111 is about 12635.9847657395. The cubic root of 159668111 is about 542.5078945810.

The spelling of 159668111 in words is "one hundred fifty-nine million, six hundred sixty-eight thousand, one hundred eleven".