217116423414 has 96 divisors (see below), whose sum is σ = 534428264448. Its totient is φ = 63106848000.

The previous prime is 217116423373. The next prime is 217116423449. The reversal of 217116423414 is 414324611712.

217116423414 is a `hidden beast` number, since 2 + 1 + 7 + 1 + 1 + 642 + 3 + 4 + 1 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 537079 + ... + 850109.

It is an arithmetic number, because the mean of its divisors is an integer number (5566961088).

Almost surely, 2^217116423414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 217116423414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267214132224).

217116423414 is an abundant number, since it is smaller than the sum of its proper divisors (317311841034).

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

217116423414 is a wasteful number, since it uses less digits than its factorization.

217116423414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313194 (or 313191 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The spelling of 217116423414 in words is "two hundred seventeen billion, one hundred sixteen million, four hundred twenty-three thousand, four hundred fourteen".