16243743 has 8 divisors (see below), whose sum is σ = 21932800. Its totient is φ = 10691928.

The previous prime is 16243739. The next prime is 16243757. The reversal of 16243743 is 34734261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16243743 - 2² = 16243739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16243743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16243763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34033 + ... + 34506.

It is an arithmetic number, because the mean of its divisors is an integer number (2741600).

Almost surely, 2^16243743 is an apocalyptic number.

16243743 is a deficient number, since it is larger than the sum of its proper divisors (5689057).

16243743 is an equidigital number, since it uses as much as digits as its factorization.

16243743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68621.

The product of its digits is 12096, while the sum is 30.

The square root of 16243743 is about 4030.3527140934. The cubic root of 16243743 is about 253.2573373540.

The spelling of 16243743 in words is "sixteen million, two hundred forty-three thousand, seven hundred forty-three".