16869328893 has 32 divisors (see below), whose sum is σ = 25222855680. Its totient is φ = 11142434160.

The previous prime is 16869328891. The next prime is 16869328897. The reversal of 16869328893 is 39882396861.

16869328893 is a `hidden beast` number, since 168 + 69 + 328 + 8 + 93 = 666.

It is not a de Polignac number, because 16869328893 - 2¹ = 16869328891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16869328893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16869328891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2412280 + ... + 2419262.

It is an arithmetic number, because the mean of its divisors is an integer number (788214240).

Almost surely, 2^16869328893 is an apocalyptic number.

It is an amenable number.

16869328893 is a deficient number, since it is larger than the sum of its proper divisors (8353526787).

16869328893 is a wasteful number, since it uses less digits than its factorization.

16869328893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7806 (or 7800 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The spelling of 16869328893 in words is "sixteen billion, eight hundred sixty-nine million, three hundred twenty-eight thousand, eight hundred ninety-three".