16838683507 has 4 divisors (see below), whose sum is σ = 16840617336. Its totient is φ = 16836749680.

The previous prime is 16838683487. The next prime is 16838683517. The reversal of 16838683507 is 70538683861.

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 16838683507 - 2¹¹ = 16838681459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16838683517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953794 + ... + 971287.

It is an arithmetic number, because the mean of its divisors is an integer number (4210154334).

Almost surely, 2^16838683507 is an apocalyptic number.

16838683507 is a deficient number, since it is larger than the sum of its proper divisors (1933829).

16838683507 is an equidigital number, since it uses as much as digits as its factorization.

16838683507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933828.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 16838683507 in words is "sixteen billion, eight hundred thirty-eight million, six hundred eighty-three thousand, five hundred seven".