16105646116 has 72 divisors (see below), whose sum is σ = 34312844160. Its totient is φ = 6457197312.

The previous prime is 16105646083. The next prime is 16105646147. The reversal of 16105646116 is 61164650161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44862345 + ... + 44862703.

It is an arithmetic number, because the mean of its divisors is an integer number (476567280).

Almost surely, 2^16105646116 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 16105646116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17156422080).

16105646116 is an abundant number, since it is smaller than the sum of its proper divisors (18207198044).

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

16105646116 is a wasteful number, since it uses less digits than its factorization.

16105646116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 16105646116 in words is "sixteen billion, one hundred five million, six hundred forty-six thousand, one hundred sixteen".