168236216346 has 96 divisors (see below), whose sum is σ = 390222282240. Its totient is φ = 47937023200.

The previous prime is 168236216339. The next prime is 168236216377. The reversal of 168236216346 is 643612632861.

It is a junction number, because it is equal to n+sod(n) for n = 168236216295 and 168236216304.

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, 2019091 + ... + 2100761.

It is an arithmetic number, because the mean of its divisors is an integer number (4064815440).

Almost surely, 2^168236216346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168236216346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195111141120).

168236216346 is an abundant number, since it is smaller than the sum of its proper divisors (221986065894).

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

168236216346 is a wasteful number, since it uses less digits than its factorization.

168236216346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81792 (or 81769 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 48.

The spelling of 168236216346 in words is "one hundred sixty-eight billion, two hundred thirty-six million, two hundred sixteen thousand, three hundred forty-six".