217163116602 has 48 divisors (see below), whose sum is σ = 476143897320. Its totient is φ = 71523657216.

The previous prime is 217163116589. The next prime is 217163116607. The reversal of 217163116602 is 206611361712.

217163116602 is a `hidden beast` number, since 2 + 1 + 7 + 1 + 6 + 31 + 16 + 602 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 215519706081 + 1643410521 = 464241^2 + 40539^2 .

It is not an unprimeable number, because it can be changed into a prime (217163116607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2248368 + ... + 2342964.

Almost surely, 2^217163116602 is an apocalyptic number.

217163116602 is an abundant number, since it is smaller than the sum of its proper divisors (258980780718).

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

217163116602 is a wasteful number, since it uses less digits than its factorization.

217163116602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96127 (or 96124 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 217163116602 in words is "two hundred seventeen billion, one hundred sixty-three million, one hundred sixteen thousand, six hundred two".