217314763164 has 24 divisors (see below), whose sum is σ = 563408645520. Its totient is φ = 72438254352.

The previous prime is 217314763111. The next prime is 217314763213. The reversal of 217314763164 is 461367413712.

217314763164 is a `hidden beast` number, since 2 + 1 + 7 + 3 + 1 + 4 + 7 + 631 + 6 + 4 = 666.

It is a super-2 number, since 2×217314763164² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1006086759 + ... + 1006086974.

It is an arithmetic number, because the mean of its divisors is an integer number (23475360230).

Almost surely, 2^217314763164 is an apocalyptic number.

It is an amenable number.

217314763164 is an abundant number, since it is smaller than the sum of its proper divisors (346093882356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

217314763164 is a wasteful number, since it uses less digits than its factorization.

217314763164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012173746 (or 2012173738 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The spelling of 217314763164 in words is "two hundred seventeen billion, three hundred fourteen million, seven hundred sixty-three thousand, one hundred sixty-four".