16516044104 has 64 divisors (see below), whose sum is σ = 36316425600. Its totient is φ = 6893913600.

The previous prime is 16516044059. The next prime is 16516044131. The reversal of 16516044104 is 40144061561.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415414 + ... + 1427034.

It is an arithmetic number, because the mean of its divisors is an integer number (567444150).

Almost surely, 2^16516044104 is an apocalyptic number.

16516044104 is a gapful number since it is divisible by the number (14) 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 16516044104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18158212800).

16516044104 is an abundant number, since it is smaller than the sum of its proper divisors (19800381496).

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

16516044104 is a wasteful number, since it uses less digits than its factorization.

16516044104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12294 (or 12290 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 16516044104 in words is "sixteen billion, five hundred sixteen million, forty-four thousand, one hundred four".