16109616501888 has 768 divisors, whose sum is σ = 55538691747840. Its totient is φ = 4096561029120.

The previous prime is 16109616501767. The next prime is 16109616501947. The reversal of 16109616501888 is 88810561690161.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2145942231 + ... + 2145949737.

It is an arithmetic number, because the mean of its divisors is an integer number (72316004880).

Almost surely, 2^{16109616501888} 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 16109616501888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27769345873920).

16109616501888 is an abundant number, since it is smaller than the sum of its proper divisors (39429075245952).

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

16109616501888 is a wasteful number, since it uses less digits than its factorization.

16109616501888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7865 (or 7846 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 60.

The spelling of 16109616501888 in words is "sixteen trillion, one hundred nine billion, six hundred sixteen million, five hundred one thousand, eight hundred eighty-eight".