16011015166656 has 448 divisors, whose sum is σ = 51873516979200. Its totient is φ = 4820058980352.

The previous prime is 16011015166591. The next prime is 16011015166723. The reversal of 16011015166656 is 65666151011061.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138802701 + ... + 138918003.

It is an arithmetic number, because the mean of its divisors is an integer number (115789100400).

Almost surely, 2^{16011015166656} is an apocalyptic number.

16011015166656 is a gapful number since it is divisible by the number (16) 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 16011015166656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25936758489600).

16011015166656 is an abundant number, since it is smaller than the sum of its proper divisors (35862501812544).

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

16011015166656 is a wasteful number, since it uses less digits than its factorization.

16011015166656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115533 (or 115517 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 16011015166656 in words is "sixteen trillion, eleven billion, fifteen million, one hundred sixty-six thousand, six hundred fifty-six".