169016129 has 2 divisors, whose sum is σ = 169016130. Its totient is φ = 169016128.

The previous prime is 169016119. The next prime is 169016149. The reversal of 169016129 is 921610961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169000000 + 16129 = 13000^2 + 127^2 .

It is a cyclic number.

It is not a de Polignac number, because 169016129 - 2¹² = 169012033 is a prime.

It is a super-3 number, since 3×169016129³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (169016119) 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 as a sum of consecutive naturals, namely, 84508064 + 84508065.

It is an arithmetic number, because the mean of its divisors is an integer number (84508065).

Almost surely, 2^169016129 is an apocalyptic number.

It is an amenable number.

169016129 is a deficient number, since it is larger than the sum of its proper divisors (1).

169016129 is an equidigital number, since it uses as much as digits as its factorization.

169016129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 169016129 is about 13000.6203313534. The cubic root of 169016129 is about 552.8950692914.

The spelling of 169016129 in words is "one hundred sixty-nine million, sixteen thousand, one hundred twenty-nine".