16800668808 has 192 divisors, whose sum is σ = 53455749120. Its totient is φ = 4351132800.

The previous prime is 16800668771. The next prime is 16800668809. The reversal of 16800668808 is 80886600861.

It is a happy number.

It is a super-2 number, since 2×16800668808² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16800668809) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4952793 + ... + 4956183.

It is an arithmetic number, because the mean of its divisors is an integer number (278415360).

Almost surely, 2^16800668808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16800668808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26727874560).

16800668808 is an abundant number, since it is smaller than the sum of its proper divisors (36655080312).

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

16800668808 is a wasteful number, since it uses less digits than its factorization.

16800668808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808 (or 3797 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 51.

The spelling of 16800668808 in words is "sixteen billion, eight hundred million, six hundred sixty-eight thousand, eight hundred eight".