159669941 has 2 divisors, whose sum is σ = 159669942. Its totient is φ = 159669940.

The previous prime is 159669929. The next prime is 159669947. The reversal of 159669941 is 149966951.

159669941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148474225 + 11195716 = 12185^2 + 3346^2 .

It is a cyclic number.

It is not a de Polignac number, because 159669941 - 2⁶ = 159669877 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159669941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159669947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79834970 + 79834971.

It is an arithmetic number, because the mean of its divisors is an integer number (79834971).

Almost surely, 2^159669941 is an apocalyptic number.

It is an amenable number.

159669941 is a deficient number, since it is larger than the sum of its proper divisors (1).

159669941 is an equidigital number, since it uses as much as digits as its factorization.

159669941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 50.

The square root of 159669941 is about 12636.0571777750. The cubic root of 159669941 is about 542.5099671836.

The spelling of 159669941 in words is "one hundred fifty-nine million, six hundred sixty-nine thousand, nine hundred forty-one".