16334609 has 2 divisors, whose sum is σ = 16334610. Its totient is φ = 16334608.

The previous prime is 16334599. The next prime is 16334657. The reversal of 16334609 is 90643361.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15840400 + 494209 = 3980^2 + 703^2 .

It is an emirp because it is prime and its reverse (90643361) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16334609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16334009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8167304 + 8167305.

It is an arithmetic number, because the mean of its divisors is an integer number (8167305).

Almost surely, 2^16334609 is an apocalyptic number.

It is an amenable number.

16334609 is a deficient number, since it is larger than the sum of its proper divisors (1).

16334609 is an equidigital number, since it uses as much as digits as its factorization.

16334609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 16334609 is about 4041.6097040659. The cubic root of 16334609 is about 253.7286922663.

The spelling of 16334609 in words is "sixteen million, three hundred thirty-four thousand, six hundred nine".