163346213 has 4 divisors (see below), whose sum is σ = 164428128. Its totient is φ = 162264300.

The previous prime is 163346191. The next prime is 163346233. The reversal of 163346213 is 312643361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163346213 - 2¹² = 163342117 is a prime.

It is a super-3 number, since 3×163346213³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163346233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540731 + ... + 541032.

It is an arithmetic number, because the mean of its divisors is an integer number (41107032).

Almost surely, 2^163346213 is an apocalyptic number.

It is an amenable number.

163346213 is a deficient number, since it is larger than the sum of its proper divisors (1081915).

163346213 is a wasteful number, since it uses less digits than its factorization.

163346213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081914.

The product of its digits is 7776, while the sum is 29.

The square root of 163346213 is about 12780.6968902326. The cubic root of 163346213 is about 546.6420336825.

Adding to 163346213 its reverse (312643361), we get a palindrome (475989574).

The spelling of 163346213 in words is "one hundred sixty-three million, three hundred forty-six thousand, two hundred thirteen".