16730841816 has 144 divisors (see below), whose sum is σ = 50398968600. Its totient is φ = 5140347264.

The previous prime is 16730841713. The next prime is 16730841817. The reversal of 16730841816 is 61814803761.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

16730841816 is a `hidden beast` number, since 167 + 308 + 4 + 181 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16730841817) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24712870 + ... + 24713546.

Almost surely, 2^16730841816 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 16730841816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25199484300).

16730841816 is an abundant number, since it is smaller than the sum of its proper divisors (33668126784).

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

16730841816 is an equidigital number, since it uses as much as digits as its factorization.

16730841816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 16730841816 in words is "sixteen billion, seven hundred thirty million, eight hundred forty-one thousand, eight hundred sixteen".