216770163 has 8 divisors (see below), whose sum is σ = 289226448. Its totient is φ = 144413664.

The previous prime is 216770143. The next prime is 216770167. The reversal of 216770163 is 361077612.

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

It is not a de Polignac number, because 216770163 - 2¹⁰ = 216769139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216770167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19720 + ... + 28677.

It is an arithmetic number, because the mean of its divisors is an integer number (36153306).

Almost surely, 2^216770163 is an apocalyptic number.

216770163 is a deficient number, since it is larger than the sum of its proper divisors (72456285).

216770163 is a wasteful number, since it uses less digits than its factorization.

216770163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49893.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 216770163 is about 14723.1166197922. The cubic root of 216770163 is about 600.7122680114.

The spelling of 216770163 in words is "two hundred sixteen million, seven hundred seventy thousand, one hundred sixty-three".