16328269 has 2 divisors, whose sum is σ = 16328270. Its totient is φ = 16328268.

The previous prime is 16328267. The next prime is 16328287. The reversal of 16328269 is 96282361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14152644 + 2175625 = 3762^2 + 1475^2 .

It is a cyclic number.

It is not a de Polignac number, because 16328269 - 2¹ = 16328267 is a prime.

It is a super-2 number, since 2×16328269² = 533224737072722, which contains 22 as substring.

Together with 16328267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16328267) 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, 8164134 + 8164135.

It is an arithmetic number, because the mean of its divisors is an integer number (8164135).

Almost surely, 2^16328269 is an apocalyptic number.

It is an amenable number.

16328269 is a deficient number, since it is larger than the sum of its proper divisors (1).

16328269 is an equidigital number, since it uses as much as digits as its factorization.

16328269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 16328269 is about 4040.8252869927. The cubic root of 16328269 is about 253.6958611963.

The spelling of 16328269 in words is "sixteen million, three hundred twenty-eight thousand, two hundred sixty-nine".