160861728 has 96 divisors (see below), whose sum is σ = 439713792. Its totient is φ = 51436800.

The previous prime is 160861721. The next prime is 160861739. The reversal of 160861728 is 827168061.

160861728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (160861721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568275 + ... + 568557.

It is an arithmetic number, because the mean of its divisors is an integer number (4580352).

Almost surely, 2^160861728 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 160861728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219856896).

160861728 is an abundant number, since it is smaller than the sum of its proper divisors (278852064).

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

160861728 is a wasteful number, since it uses less digits than its factorization.

160861728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 160861728 is about 12683.1276899667. The cubic root of 160861728 is about 543.8563995248.

It can be divided in two parts, 1608 and 61728, that added together give a palindrome (63336).

The spelling of 160861728 in words is "one hundred sixty million, eight hundred sixty-one thousand, seven hundred twenty-eight".