16816834008 has 128 divisors (see below), whose sum is σ = 52494220800. Its totient is φ = 4949417088.

The previous prime is 16816833989. The next prime is 16816834019. The reversal of 16816834008 is 80043861861.

It is a happy number.

16816834008 is a `hidden beast` number, since 168 + 1 + 6 + 83 + 400 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65610 + ... + 194777.

It is an arithmetic number, because the mean of its divisors is an integer number (410111100).

Almost surely, 2^16816834008 is an apocalyptic number.

16816834008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16816834008 is an abundant number, since it is smaller than the sum of its proper divisors (35677386792).

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

16816834008 is a wasteful number, since it uses less digits than its factorization.

16816834008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260438 (or 260428 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 16816834008 in words is "sixteen billion, eight hundred sixteen million, eight hundred thirty-four thousand, eight".