160861109396736 has 1728 divisors, whose sum is σ = 559029786416640. Its totient is φ = 40035837542400.

The previous prime is 160861109396711. The next prime is 160861109396747. The reversal of 160861109396736 is 637693901168061.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 348939499546 + ... + 348939500006.

It is an arithmetic number, because the mean of its divisors is an integer number (323512607880).

Almost surely, 2^{160861109396736} is an apocalyptic number.

160861109396736 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 160861109396736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279514893208320).

160861109396736 is an abundant number, since it is smaller than the sum of its proper divisors (398168677019904).

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

160861109396736 is a wasteful number, since it uses less digits than its factorization.

160861109396736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 52907904, while the sum is 66.

The spelling of 160861109396736 in words is "one hundred sixty trillion, eight hundred sixty-one billion, one hundred nine million, three hundred ninety-six thousand, seven hundred thirty-six".