163242215 has 8 divisors (see below), whose sum is σ = 197688480. Its totient is φ = 129395232.

The previous prime is 163242199. The next prime is 163242221. The reversal of 163242215 is 512242361.

It is a happy number.

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 163242215 - 2⁴ = 163242199 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, 149219 + ... + 150308.

It is an arithmetic number, because the mean of its divisors is an integer number (24711060).

Almost surely, 2^163242215 is an apocalyptic number.

163242215 is a deficient number, since it is larger than the sum of its proper divisors (34446265).

163242215 is a wasteful number, since it uses less digits than its factorization.

163242215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299641.

The product of its digits is 2880, while the sum is 26.

The square root of 163242215 is about 12776.6276849566. The cubic root of 163242215 is about 546.5259984501.

Adding to 163242215 its reverse (512242361), we get a palindrome (675484576).

The spelling of 163242215 in words is "one hundred sixty-three million, two hundred forty-two thousand, two hundred fifteen".