160521856 has 64 divisors (see below), whose sum is σ = 351410400. Its totient is φ = 72432640.

The previous prime is 160521839. The next prime is 160521857. The reversal of 160521856 is 658125061.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (160521857) 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 7 ways as a sum of consecutive naturals, for example, 243255 + ... + 243913.

Almost surely, 2^160521856 is an apocalyptic number.

160521856 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 160521856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175705200).

160521856 is an abundant number, since it is smaller than the sum of its proper divisors (190888544).

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

160521856 is a wasteful number, since it uses less digits than its factorization.

160521856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 160521856 is about 12669.7220174714. The cubic root of 160521856 is about 543.4731057553.

The spelling of 160521856 in words is "one hundred sixty million, five hundred twenty-one thousand, eight hundred fifty-six".