213167889 has 32 divisors (see below), whose sum is σ = 351866880. Its totient is φ = 126435600.

The previous prime is 213167881. The next prime is 213167909. The reversal of 213167889 is 988761312.

213167889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213167889 - 2³ = 213167881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213167881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6324 + ... + 21594.

It is an arithmetic number, because the mean of its divisors is an integer number (10995840).

Almost surely, 2^213167889 is an apocalyptic number.

It is an amenable number.

213167889 is a deficient number, since it is larger than the sum of its proper divisors (138698991).

213167889 is a wasteful number, since it uses less digits than its factorization.

213167889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15338 (or 15332 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 213167889 is about 14600.2701687332. The cubic root of 213167889 is about 597.3661297980.

The spelling of 213167889 in words is "two hundred thirteen million, one hundred sixty-seven thousand, eight hundred eighty-nine".