16816804534986 has 16 divisors (see below), whose sum is σ = 33633750161568. Its totient is φ = 5605577996400.

The previous prime is 16816804534939. The next prime is 16816804534987. The reversal of 16816804534986 is 68943540861861.

It is a self number, because there is not a number n which added to its sum of digits gives 16816804534986.

It is not an unprimeable number, because it can be changed into a prime (16816804534987) 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, 4296580 + ... + 7217631.

It is an arithmetic number, because the mean of its divisors is an integer number (2102109385098).

Almost surely, 2^{16816804534986} is an apocalyptic number.

16816804534986 is an abundant number, since it is smaller than the sum of its proper divisors (16816945626582).

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

16816804534986 is a wasteful number, since it uses less digits than its factorization.

16816804534986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11757637.

The product of its (nonzero) digits is 238878720, while the sum is 69.

The spelling of 16816804534986 in words is "sixteen trillion, eight hundred sixteen billion, eight hundred four million, five hundred thirty-four thousand, nine hundred eighty-six".