16811879829 has 8 divisors (see below), whose sum is σ = 22416698112. Its totient is φ = 11207490720.

The previous prime is 16811879803. The next prime is 16811879849. The reversal of 16811879829 is 92897811861.

It is a happy number.

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

It is not a de Polignac number, because 16811879829 - 2¹⁹ = 16811355541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16811879849) 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, 784 + ... + 183369.

It is an arithmetic number, because the mean of its divisors is an integer number (2802087264).

Almost surely, 2^16811879829 is an apocalyptic number.

It is an amenable number.

16811879829 is a deficient number, since it is larger than the sum of its proper divisors (5604818283).

16811879829 is a wasteful number, since it uses less digits than its factorization.

16811879829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214587.

The product of its digits is 3483648, while the sum is 60.

The spelling of 16811879829 in words is "sixteen billion, eight hundred eleven million, eight hundred seventy-nine thousand, eight hundred twenty-nine".