16144430343 has 4 divisors (see below), whose sum is σ = 21525907128. Its totient is φ = 10762953560.

The previous prime is 16144430303. The next prime is 16144430363. The reversal of 16144430343 is 34303444161.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16144430343 - 2⁸ = 16144430087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16144430303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2690738388 + ... + 2690738393.

It is an arithmetic number, because the mean of its divisors is an integer number (5381476782).

Almost surely, 2^16144430343 is an apocalyptic number.

16144430343 is a deficient number, since it is larger than the sum of its proper divisors (5381476785).

16144430343 is an equidigital number, since it uses as much as digits as its factorization.

16144430343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5381476784.

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 16144430343 in words is "sixteen billion, one hundred forty-four million, four hundred thirty thousand, three hundred forty-three".