16000343443349 has 4 divisors (see below), whose sum is σ = 16002237656064. Its totient is φ = 15998449230636.

The previous prime is 16000343443319. The next prime is 16000343443393. The reversal of 16000343443349 is 94334434300061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16000343443349 - 2³² = 15996048476053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000343443319) 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, 947093687 + ... + 947110580.

It is an arithmetic number, because the mean of its divisors is an integer number (4000559414016).

Almost surely, 2^{16000343443349} is an apocalyptic number.

It is an amenable number.

16000343443349 is a deficient number, since it is larger than the sum of its proper divisors (1894212715).

16000343443349 is an equidigital number, since it uses as much as digits as its factorization.

16000343443349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894212714.

The product of its (nonzero) digits is 1119744, while the sum is 44.

The spelling of 16000343443349 in words is "sixteen trillion, three hundred forty-three million, four hundred forty-three thousand, three hundred forty-nine".