16682056209 has 24 divisors (see below), whose sum is σ = 29656990272. Its totient is φ = 8799325920.

The previous prime is 16682056201. The next prime is 16682056219. The reversal of 16682056209 is 90265028661.

16682056209 is a `hidden beast` number, since 1 + 6 + 6 + 82 + 0 + 562 + 0 + 9 = 666.

It is not a de Polignac number, because 16682056209 - 2³ = 16682056201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16682056201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10183587 + ... + 10185224.

It is an arithmetic number, because the mean of its divisors is an integer number (1235707928).

Almost surely, 2^16682056209 is an apocalyptic number.

It is an amenable number.

16682056209 is a deficient number, since it is larger than the sum of its proper divisors (12974934063).

16682056209 is a wasteful number, since it uses less digits than its factorization.

16682056209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20368837 (or 20368834 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 16682056209 in words is "sixteen billion, six hundred eighty-two million, fifty-six thousand, two hundred nine".