213116164 has 12 divisors (see below), whose sum is σ = 373321564. Its totient is φ = 106452864.

The previous prime is 213116153. The next prime is 213116173. The reversal of 213116164 is 461611312.

213116164 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 169000000 + 44116164 = 13000^2 + 6642^2 .

213116164 is strictly pandigital in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21657 + ... + 29920.

Almost surely, 2^213116164 is an apocalyptic number.

It is an amenable number.

213116164 is a deficient number, since it is larger than the sum of its proper divisors (160205400).

213116164 is a wasteful number, since it uses less digits than its factorization.

213116164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52614 (or 52612 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 213116164 is about 14598.4986899338. The cubic root of 213116164 is about 597.3178091015.

Adding to 213116164 its reverse (461611312), we get a palindrome (674727476).

The spelling of 213116164 in words is "two hundred thirteen million, one hundred sixteen thousand, one hundred sixty-four".