213164518 has 8 divisors (see below), whose sum is σ = 365424912. Its totient is φ = 91356216.

The previous prime is 213164489. The next prime is 213164521. The reversal of 213164518 is 815461312.

213164518 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 a super-2 number, since 2×213164518² = 90878223468344648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213164518.

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, 7613005 + ... + 7613032.

It is an arithmetic number, because the mean of its divisors is an integer number (45678114).

Almost surely, 2^213164518 is an apocalyptic number.

213164518 is a deficient number, since it is larger than the sum of its proper divisors (152260394).

213164518 is a wasteful number, since it uses less digits than its factorization.

213164518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15226046.

The product of its digits is 5760, while the sum is 31.

The square root of 213164518 is about 14600.1547252075. The cubic root of 213164518 is about 597.3629809000.

The spelling of 213164518 in words is "two hundred thirteen million, one hundred sixty-four thousand, five hundred eighteen".