16682340343 has 4 divisors (see below), whose sum is σ = 16802357320. Its totient is φ = 16562323368.

The previous prime is 16682340281. The next prime is 16682340377. The reversal of 16682340343 is 34304328661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34304328661 = 128287 ⋅267403.

It is a cyclic number.

It is not a de Polignac number, because 16682340343 - 2³³ = 8092405751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16682340296 and 16682340305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16682340743) 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, 60008280 + ... + 60008557.

It is an arithmetic number, because the mean of its divisors is an integer number (4200589330).

Almost surely, 2^16682340343 is an apocalyptic number.

16682340343 is a deficient number, since it is larger than the sum of its proper divisors (120016977).

16682340343 is a wasteful number, since it uses less digits than its factorization.

16682340343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120016976.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 16682340343 in words is "sixteen billion, six hundred eighty-two million, three hundred forty thousand, three hundred forty-three".