889065161 has 4 divisors (see below), whose sum is σ = 927720192. Its totient is φ = 850410132.

The previous prime is 889065127. The next prime is 889065181. The reversal of 889065161 is 161560988.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889065161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (889065181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19327481 + ... + 19327526.

It is an arithmetic number, because the mean of its divisors is an integer number (231930048).

Almost surely, 2^889065161 is an apocalyptic number.

It is an amenable number.

889065161 is a deficient number, since it is larger than the sum of its proper divisors (38655031).

889065161 is a wasteful number, since it uses less digits than its factorization.

889065161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38655030.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 889065161 is about 29817.1957266273. The cubic root of 889065161 is about 961.5632664316.

The spelling of 889065161 in words is "eight hundred eighty-nine million, sixty-five thousand, one hundred sixty-one".