213310164 has 12 divisors (see below), whose sum is σ = 497723744. Its totient is φ = 71103384.

The previous prime is 213310159. The next prime is 213310187. The reversal of 213310164 is 461013312.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 213310164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8887912 + ... + 8887935.

Almost surely, 2^213310164 is an apocalyptic number.

It is an amenable number.

213310164 is an abundant number, since it is smaller than the sum of its proper divisors (284413580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213310164 is a wasteful number, since it uses less digits than its factorization.

213310164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17775854 (or 17775852 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 213310164 is about 14605.1416973612. The cubic root of 213310164 is about 597.4990005994.

Adding to 213310164 its reverse (461013312), we get a palindrome (674323476).

The spelling of 213310164 in words is "two hundred thirteen million, three hundred ten thousand, one hundred sixty-four".