16289069 has 4 divisors (see below), whose sum is σ = 16438620. Its totient is φ = 16139520.

The previous prime is 16289059. The next prime is 16289087. The reversal of 16289069 is 96098261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12866569 + 3422500 = 3587^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 16289069 - 2¹² = 16284973 is a prime.

It is a super-2 number, since 2×16289069² = 530667537773522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16289029) 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 in 3 ways as a sum of consecutive naturals, for example, 74612 + ... + 74829.

It is an arithmetic number, because the mean of its divisors is an integer number (4109655).

Almost surely, 2^16289069 is an apocalyptic number.

It is an amenable number.

16289069 is a deficient number, since it is larger than the sum of its proper divisors (149551).

16289069 is a wasteful number, since it uses less digits than its factorization.

16289069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149550.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 16289069 is about 4035.9718779992. The cubic root of 16289069 is about 253.4926788757.

The spelling of 16289069 in words is "sixteen million, two hundred eighty-nine thousand, sixty-nine".