16450069 has 2 divisors, whose sum is σ = 16450070. Its totient is φ = 16450068.

The previous prime is 16450043. The next prime is 16450079. The reversal of 16450069 is 96005461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13593969 + 2856100 = 3687^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 16450069 - 2¹³ = 16441877 is a prime.

It is a super-2 number, since 2×16450069² = 541209540209522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16450069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16450079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8225034 + 8225035.

It is an arithmetic number, because the mean of its divisors is an integer number (8225035).

Almost surely, 2^16450069 is an apocalyptic number.

It is an amenable number.

16450069 is a deficient number, since it is larger than the sum of its proper divisors (1).

16450069 is an equidigital number, since it uses as much as digits as its factorization.

16450069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 16450069 is about 4055.8684643366. The cubic root of 16450069 is about 254.3251101784.

The spelling of 16450069 in words is "sixteen million, four hundred fifty thousand, sixty-nine".