160865040 has 120 divisors (see below), whose sum is σ = 580141440. Its totient is φ = 36766464.

The previous prime is 160865027. The next prime is 160865041. The reversal of 160865040 is 40568061.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×160865040² = 51755122188403200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 160864989 and 160865007.

It is not an unprimeable number, because it can be changed into a prime (160865041) 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, 4921 + ... + 18599.

It is an arithmetic number, because the mean of its divisors is an integer number (4834512).

Almost surely, 2^160865040 is an apocalyptic number.

160865040 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 160865040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290070720).

160865040 is an abundant number, since it is smaller than the sum of its proper divisors (419276400).

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

160865040 is a wasteful number, since it uses less digits than its factorization.

160865040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13709 (or 13696 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 160865040 is about 12683.2582564576. The cubic root of 160865040 is about 543.8601320058.

The spelling of 160865040 in words is "one hundred sixty million, eight hundred sixty-five thousand, forty".