160505440 has 72 divisors (see below), whose sum is σ = 386542800. Its totient is φ = 62979840.

The previous prime is 160505437. The next prime is 160505453. The reversal of 160505440 is 44505061.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 806461 + ... + 806659.

It is an arithmetic number, because the mean of its divisors is an integer number (5368650).

Almost surely, 2^160505440 is an apocalyptic number.

160505440 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 160505440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193271400).

160505440 is an abundant number, since it is smaller than the sum of its proper divisors (226037360).

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

160505440 is an equidigital number, since it uses as much as digits as its factorization.

160505440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 160505440 is about 12669.0741571750. The cubic root of 160505440 is about 543.4545787691.

The spelling of 160505440 in words is "one hundred sixty million, five hundred five thousand, four hundred forty".