160037920 has 144 divisors (see below), whose sum is σ = 446002200. Its totient is φ = 54104064.

The previous prime is 160037909. The next prime is 160037929. The reversal of 160037920 is 29730061.

It can be written as a sum of positive squares in 4 ways, for example, as 103306896 + 56731024 = 10164^2 + 7532^2 .

It is a super-2 number, since 2×160037920² = 51224271675852800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (160037929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1074006 + ... + 1074154.

Almost surely, 2^160037920 is an apocalyptic number.

160037920 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 160037920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223001100).

160037920 is an abundant number, since it is smaller than the sum of its proper divisors (285964280).

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

160037920 is a wasteful number, since it uses less digits than its factorization.

160037920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 160037920 is about 12650.6094714840. The cubic root of 160037920 is about 542.9264077296.

Adding to 160037920 its reverse (29730061), we get a palindrome (189767981).

The spelling of 160037920 in words is "one hundred sixty million, thirty-seven thousand, nine hundred twenty".