16829778768 has 40 divisors (see below), whose sum is σ = 47429378016. Its totient is φ = 5099932800.

The previous prime is 16829778767. The next prime is 16829778781. The reversal of 16829778768 is 86787792861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16829778767) 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, 15936763 + ... + 15937818.

Almost surely, 2^16829778768 is an apocalyptic number.

It is an amenable number.

16829778768 is an abundant number, since it is smaller than the sum of its proper divisors (30599599248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16829778768 is a wasteful number, since it uses less digits than its factorization.

16829778768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31874603 (or 31874597 counting only the distinct ones).

The product of its digits is 113799168, while the sum is 69.

It can be divided in two parts, 16829 and 778768, that added together give a palindrome (795597).

The spelling of 16829778768 in words is "sixteen billion, eight hundred twenty-nine million, seven hundred seventy-eight thousand, seven hundred sixty-eight".