216575164617 has 16 divisors (see below), whose sum is σ = 331499212800. Its totient is φ = 123202269072.

The previous prime is 216575164609. The next prime is 216575164667. The reversal of 216575164617 is 716461575612.

It is not a de Polignac number, because 216575164617 - 2³ = 216575164609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216575164617.

It is not an unprimeable number, because it can be changed into a prime (216575164607) 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 15 ways as a sum of consecutive naturals, for example, 23118867 + ... + 23128232.

It is an arithmetic number, because the mean of its divisors is an integer number (20718700800).

Almost surely, 2^216575164617 is an apocalyptic number.

It is an amenable number.

216575164617 is a deficient number, since it is larger than the sum of its proper divisors (114924048183).

216575164617 is a wasteful number, since it uses less digits than its factorization.

216575164617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46247332.

The product of its digits is 2116800, while the sum is 51.

The spelling of 216575164617 in words is "two hundred sixteen billion, five hundred seventy-five million, one hundred sixty-four thousand, six hundred seventeen".