217216000336 has 20 divisors (see below), whose sum is σ = 420985317492. Its totient is φ = 108574628096.

The previous prime is 217216000333. The next prime is 217216000357. The reversal of 217216000336 is 633000612712.

It can be written as a sum of positive squares in 2 ways, for example, as 105430090000 + 111785910336 = 324700^2 + 334344^2 .

It is a super-2 number, since 2×217216000336² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 217216000298 and 217216000307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217216000333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2032015 + ... + 2136238.

Almost surely, 2^217216000336 is an apocalyptic number.

It is an amenable number.

217216000336 is a deficient number, since it is larger than the sum of its proper divisors (203769317156).

217216000336 is a wasteful number, since it uses less digits than its factorization.

217216000336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171518 (or 4171512 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 217216000336 in words is "two hundred seventeen billion, two hundred sixteen million, three hundred thirty-six", and thus it is an aban number.