162167889 has 8 divisors (see below), whose sum is σ = 232856512. Its totient is φ = 99795600.

The previous prime is 162167881. The next prime is 162167891. The reversal of 162167889 is 988761261.

162167889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 162167889 - 2³ = 162167881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162167881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2079037 + ... + 2079114.

It is an arithmetic number, because the mean of its divisors is an integer number (29107064).

Almost surely, 2^162167889 is an apocalyptic number.

It is an amenable number.

162167889 is a deficient number, since it is larger than the sum of its proper divisors (70688623).

162167889 is a wasteful number, since it uses less digits than its factorization.

162167889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158167.

The product of its digits is 290304, while the sum is 48.

The square root of 162167889 is about 12734.5156562784. The cubic root of 162167889 is about 545.3244304618.

The spelling of 162167889 in words is "one hundred sixty-two million, one hundred sixty-seven thousand, eight hundred eighty-nine".