160821120 has 64 divisors (see below), whose sum is σ = 512623440. Its totient is φ = 42885120.

The previous prime is 160821119. The next prime is 160821137. The reversal of 160821120 is 21128061.

160821120 is digitally balanced in base 2 and base 3, because in such bases 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 (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39961 + ... + 43800.

Almost surely, 2^160821120 is an apocalyptic number.

160821120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160821120 is an abundant number, since it is smaller than the sum of its proper divisors (351802320).

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

160821120 is an equidigital number, since it uses as much as digits as its factorization.

160821120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83783 (or 83771 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 160821120 is about 12681.5267219685. The cubic root of 160821120 is about 543.8106318966.

Adding to 160821120 its reverse (21128061), we get a palindrome (181949181).

The spelling of 160821120 in words is "one hundred sixty million, eight hundred twenty-one thousand, one hundred twenty".