213368165 has 8 divisors (see below), whose sum is σ = 258435360. Its totient is φ = 169098832.

The previous prime is 213368153. The next prime is 213368189. The reversal of 213368165 is 561863312.

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

It is a cyclic number.

It is not a de Polignac number, because 213368165 - 2¹⁴ = 213351781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198875 + ... + 199944.

It is an arithmetic number, because the mean of its divisors is an integer number (32304420).

Almost surely, 2^213368165 is an apocalyptic number.

It is an amenable number.

213368165 is a deficient number, since it is larger than the sum of its proper divisors (45067195).

213368165 is a wasteful number, since it uses less digits than its factorization.

213368165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398931.

The product of its digits is 25920, while the sum is 35.

The square root of 213368165 is about 14607.1271987342. The cubic root of 213368165 is about 597.5531508538.

The spelling of 213368165 in words is "two hundred thirteen million, three hundred sixty-eight thousand, one hundred sixty-five".