16421682341 has 8 divisors (see below), whose sum is σ = 16786556160. Its totient is φ = 16059693312.

The previous prime is 16421682331. The next prime is 16421682367. The reversal of 16421682341 is 14328612461.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16421682341 is a prime.

It is a super-2 number, since 2×16421682341² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16421682295 and 16421682304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16421682331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709685 + ... + 732458.

It is an arithmetic number, because the mean of its divisors is an integer number (2098319520).

Almost surely, 2^16421682341 is an apocalyptic number.

It is an amenable number.

16421682341 is a deficient number, since it is larger than the sum of its proper divisors (364873819).

16421682341 is a wasteful number, since it uses less digits than its factorization.

16421682341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442395.

The product of its digits is 55296, while the sum is 38.

The spelling of 16421682341 in words is "sixteen billion, four hundred twenty-one million, six hundred eighty-two thousand, three hundred forty-one".