160909728 has 144 divisors (see below), whose sum is σ = 498718080. Its totient is φ = 45287424.

The previous prime is 160909673. The next prime is 160909733. The reversal of 160909728 is 827909061.

160909728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 160909728.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371400 + ... + 371832.

It is an arithmetic number, because the mean of its divisors is an integer number (3463320).

Almost surely, 2^160909728 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 160909728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249359040).

160909728 is an abundant number, since it is smaller than the sum of its proper divisors (337808352).

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

160909728 is a wasteful number, since it uses less digits than its factorization.

160909728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 160909728 is about 12685.0198265513. The cubic root of 160909728 is about 543.9104884441.

The spelling of 160909728 in words is "one hundred sixty million, nine hundred nine thousand, seven hundred twenty-eight".