160249865 has 4 divisors (see below), whose sum is σ = 192299844. Its totient is φ = 128199888.

The previous prime is 160249829. The next prime is 160249879. The reversal of 160249865 is 568942061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 568942061 = 19 ⋅29944319.

It can be written as a sum of positive squares in 2 ways, for example, as 108826624 + 51423241 = 10432^2 + 7171^2 .

It is a cyclic number.

It is not a de Polignac number, because 160249865 - 2¹² = 160245769 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 16024982 + ... + 16024991.

It is an arithmetic number, because the mean of its divisors is an integer number (48074961).

Almost surely, 2^160249865 is an apocalyptic number.

It is an amenable number.

160249865 is a deficient number, since it is larger than the sum of its proper divisors (32049979).

160249865 is an equidigital number, since it uses as much as digits as its factorization.

160249865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32049978.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 160249865 is about 12658.9835689916. The cubic root of 160249865 is about 543.1659754880.

The spelling of 160249865 in words is "one hundred sixty million, two hundred forty-nine thousand, eight hundred sixty-five".