16683878513 has 8 divisors (see below), whose sum is σ = 16920104736. Its totient is φ = 16447860000.

The previous prime is 16683878479. The next prime is 16683878531. The reversal of 16683878513 is 31587838661.

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

It is a cyclic number.

It is not a de Polignac number, because 16683878513 - 2²⁶ = 16616769649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16683878543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113558 + ... + 215088.

It is an arithmetic number, because the mean of its divisors is an integer number (2115013092).

Almost surely, 2^16683878513 is an apocalyptic number.

It is an amenable number.

16683878513 is a deficient number, since it is larger than the sum of its proper divisors (236226223).

16683878513 is a wasteful number, since it uses less digits than its factorization.

16683878513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103855.

The product of its digits is 5806080, while the sum is 56.

The spelling of 16683878513 in words is "sixteen billion, six hundred eighty-three million, eight hundred seventy-eight thousand, five hundred thirteen".