159669959 has 2 divisors, whose sum is σ = 159669960. Its totient is φ = 159669958.

The previous prime is 159669953. The next prime is 159669997. The reversal of 159669959 is 959966951.

159669959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (959966951) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159669959 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 159669898 and 159669907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159669953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79834979 + 79834980.

It is an arithmetic number, because the mean of its divisors is an integer number (79834980).

Almost surely, 2^159669959 is an apocalyptic number.

159669959 is a deficient number, since it is larger than the sum of its proper divisors (1).

159669959 is an equidigital number, since it uses as much as digits as its factorization.

159669959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5904900, while the sum is 59.

The square root of 159669959 is about 12636.0578900225. The cubic root of 159669959 is about 542.5099875698.

The spelling of 159669959 in words is "one hundred fifty-nine million, six hundred sixty-nine thousand, nine hundred fifty-nine".