160543440 has 60 divisors (see below), whose sum is σ = 539160804. Its totient is φ = 42811392.

The previous prime is 160543429. The next prime is 160543441. The reversal of 160543440 is 44345061.

It can be written as a sum of positive squares in 2 ways, for example, as 48776256 + 111767184 = 6984^2 + 10572^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×160543440² = 51548392254067200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160543441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110769 + ... + 112208.

Almost surely, 2^160543440 is an apocalyptic number.

160543440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160543440 is an abundant number, since it is smaller than the sum of its proper divisors (378617364).

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

160543440 is a wasteful number, since it uses less digits than its factorization.

160543440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222996 (or 222987 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 160543440 is about 12670.5737833770. The cubic root of 160543440 is about 543.4974633892.

The spelling of 160543440 in words is "one hundred sixty million, five hundred forty-three thousand, four hundred forty".