217106516162 has 32 divisors (see below), whose sum is σ = 340627472640. Its totient is φ = 103698650880.

The previous prime is 217106516141. The next prime is 217106516177. The reversal of 217106516162 is 261615601712.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607283 + ... + 896105.

It is an arithmetic number, because the mean of its divisors is an integer number (10644608520).

Almost surely, 2^217106516162 is an apocalyptic number.

217106516162 is a deficient number, since it is larger than the sum of its proper divisors (123520956478).

217106516162 is a wasteful number, since it uses less digits than its factorization.

217106516162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289058.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 217106516162 in words is "two hundred seventeen billion, one hundred six million, five hundred sixteen thousand, one hundred sixty-two".