16516916676 has 144 divisors (see below), whose sum is σ = 49387578240. Its totient is φ = 4605258240.

The previous prime is 16516916609. The next prime is 16516916677. The reversal of 16516916676 is 67661961561.

It is a happy number.

16516916676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16516916677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 164136 + ... + 244896.

Almost surely, 2^16516916676 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 16516916676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24693789120).

16516916676 is an abundant number, since it is smaller than the sum of its proper divisors (32870661564).

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

16516916676 is a wasteful number, since it uses less digits than its factorization.

16516916676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80826 (or 80821 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The spelling of 16516916676 in words is "sixteen billion, five hundred sixteen million, nine hundred sixteen thousand, six hundred seventy-six".