162889163 has 4 divisors (see below), whose sum is σ = 162930240. Its totient is φ = 162848088.

The previous prime is 162889141. The next prime is 162889171. The reversal of 162889163 is 361988261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162889163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162889763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13868 + ... + 22761.

It is an arithmetic number, because the mean of its divisors is an integer number (40732560).

Almost surely, 2^162889163 is an apocalyptic number.

162889163 is a deficient number, since it is larger than the sum of its proper divisors (41077).

162889163 is an equidigital number, since it uses as much as digits as its factorization.

162889163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41076.

The product of its digits is 124416, while the sum is 44.

The square root of 162889163 is about 12762.8038847269. The cubic root of 162889163 is about 546.1317144786.

The spelling of 162889163 in words is "one hundred sixty-two million, eight hundred eighty-nine thousand, one hundred sixty-three".