159628069 has 2 divisors, whose sum is σ = 159628070. Its totient is φ = 159628068.

The previous prime is 159628043. The next prime is 159628081. The reversal of 159628069 is 960826951.

159628069 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., 155376225 + 4251844 = 12465^2 + 2062^2 .

It is a cyclic number.

It is not a de Polignac number, because 159628069 - 2¹¹ = 159626021 is a prime.

It is a super-2 number, since 2×159628069² = 50962240825337522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159628009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79814034 + 79814035.

It is an arithmetic number, because the mean of its divisors is an integer number (79814035).

Almost surely, 2^159628069 is an apocalyptic number.

It is an amenable number.

159628069 is a deficient number, since it is larger than the sum of its proper divisors (1).

159628069 is an equidigital number, since it uses as much as digits as its factorization.

159628069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 159628069 is about 12634.4002232001. The cubic root of 159628069 is about 542.4625402579.

The spelling of 159628069 in words is "one hundred fifty-nine million, six hundred twenty-eight thousand, sixty-nine".