216015163 has 16 divisors (see below), whose sum is σ = 266210560. Its totient is φ = 170690976.

The previous prime is 216015089. The next prime is 216015167. The reversal of 216015163 is 361510612.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216015163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216015167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131956 + ... + 133582.

It is an arithmetic number, because the mean of its divisors is an integer number (16638160).

Almost surely, 2^216015163 is an apocalyptic number.

216015163 is a deficient number, since it is larger than the sum of its proper divisors (50195397).

216015163 is a wasteful number, since it uses less digits than its factorization.

216015163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 216015163 is about 14697.4543033819. The cubic root of 216015163 is about 600.0140394863.

Adding to 216015163 its reverse (361510612), we get a palindrome (577525775).

The spelling of 216015163 in words is "two hundred sixteen million, fifteen thousand, one hundred sixty-three".