16808986032 has 80 divisors (see below), whose sum is σ = 45462090240. Its totient is φ = 5344573696.

The previous prime is 16808986031. The next prime is 16808986087. The reversal of 16808986032 is 23068980861.

It is a super-2 number, since 2×16808986032² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16808986031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42793 + ... + 188279.

It is an arithmetic number, because the mean of its divisors is an integer number (568276128).

Almost surely, 2^16808986032 is an apocalyptic number.

16808986032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16808986032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22731045120).

16808986032 is an abundant number, since it is smaller than the sum of its proper divisors (28653104208).

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

16808986032 is a wasteful number, since it uses less digits than its factorization.

16808986032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145610 (or 145604 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 16808986032 in words is "sixteen billion, eight hundred eight million, nine hundred eighty-six thousand, thirty-two".