16234661 has 2 divisors, whose sum is σ = 16234662. Its totient is φ = 16234660.

The previous prime is 16234649. The next prime is 16234679. The reversal of 16234661 is 16643261.

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., 12737761 + 3496900 = 3569^2 + 1870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16234661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16234061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8117330 + 8117331.

It is an arithmetic number, because the mean of its divisors is an integer number (8117331).

Almost surely, 2^16234661 is an apocalyptic number.

It is an amenable number.

16234661 is a deficient number, since it is larger than the sum of its proper divisors (1).

16234661 is an equidigital number, since it uses as much as digits as its factorization.

16234661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 16234661 is about 4029.2258561664. The cubic root of 16234661 is about 253.2101291882.

The spelling of 16234661 in words is "sixteen million, two hundred thirty-four thousand, six hundred sixty-one".