160440320 has 56 divisors (see below), whose sum is σ = 385131564. Its totient is φ = 64159744.

The previous prime is 160440317. The next prime is 160440323. The reversal of 160440320 is 23044061.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (160440317) and next prime (160440323).

It can be written as a sum of positive squares in 2 ways, for example, as 158961664 + 1478656 = 12608^2 + 1216^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 160440292 and 160440301.

It is not an unprimeable number, because it can be changed into a prime (160440323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39002 + ... + 42918.

Almost surely, 2^160440320 is an apocalyptic number.

160440320 is a gapful number since it is divisible by the number (10) 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 160440320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192565782).

160440320 is an abundant number, since it is smaller than the sum of its proper divisors (224691244).

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

160440320 is an frugal number, since it uses more digits than its factorization.

160440320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948 (or 3924 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 160440320 is about 12666.5038586028. The cubic root of 160440320 is about 543.3810723315.

Adding to 160440320 its reverse (23044061), we get a palindrome (183484381).

The spelling of 160440320 in words is "one hundred sixty million, four hundred forty thousand, three hundred twenty".