160858889 has 4 divisors (see below), whose sum is σ = 160885524. Its totient is φ = 160832256.

The previous prime is 160858877. The next prime is 160858933. The reversal of 160858889 is 988858061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 988858061 = 97 ⋅10194413.

It can be written as a sum of positive squares in 2 ways, for example, as 9765625 + 151093264 = 3125^2 + 12292^2 .

It is a cyclic number.

It is not a de Polignac number, because 160858889 - 2²⁴ = 144081673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 160858889.

It is not an unprimeable number, because it can be changed into a prime (160858189) by changing a digit.

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, 569 + ... + 17945.

It is an arithmetic number, because the mean of its divisors is an integer number (40221381).

Almost surely, 2^160858889 is an apocalyptic number.

It is an amenable number.

160858889 is a deficient number, since it is larger than the sum of its proper divisors (26635).

160858889 is an equidigital number, since it uses as much as digits as its factorization.

160858889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26634.

The product of its (nonzero) digits is 1105920, while the sum is 53.

The square root of 160858889 is about 12683.0157691300. The cubic root of 160858889 is about 543.8532000536.

The spelling of 160858889 in words is "one hundred sixty million, eight hundred fifty-eight thousand, eight hundred eighty-nine".