160189189 has 4 divisors (see below), whose sum is σ = 162904320. Its totient is φ = 157474060.

The previous prime is 160189157. The next prime is 160189193. The reversal of 160189189 is 981981061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 981981061 = 373 ⋅2632657.

It is a cyclic number.

It is not a de Polignac number, because 160189189 - 2⁵ = 160189157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160189109) 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, 1357477 + ... + 1357594.

It is an arithmetic number, because the mean of its divisors is an integer number (40726080).

Almost surely, 2^160189189 is an apocalyptic number.

It is an amenable number.

160189189 is a deficient number, since it is larger than the sum of its proper divisors (2715131).

160189189 is an equidigital number, since it uses as much as digits as its factorization.

160189189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715130.

The product of its (nonzero) digits is 31104, while the sum is 43.

The square root of 160189189 is about 12656.5867831734. The cubic root of 160189189 is about 543.0974131855.

The spelling of 160189189 in words is "one hundred sixty million, one hundred eighty-nine thousand, one hundred eighty-nine".