168346607616 has 336 divisors, whose sum is σ = 533272154688. Its totient is φ = 50749440000.

The previous prime is 168346607593. The next prime is 168346607657. The reversal of 168346607616 is 616706643861.

It is a happy number.

168346607616 is a `hidden beast` number, since 16 + 8 + 3 + 4 + 6 + 6 + 0 + 7 + 616 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203562595 + ... + 203563421.

It is an arithmetic number, because the mean of its divisors is an integer number (1587119508).

Almost surely, 2^168346607616 is an apocalyptic number.

168346607616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168346607616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266636077344).

168346607616 is an abundant number, since it is smaller than the sum of its proper divisors (364925547072).

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

168346607616 is a wasteful number, since it uses less digits than its factorization.

168346607616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1094 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 168346607616 in words is "one hundred sixty-eight billion, three hundred forty-six million, six hundred seven thousand, six hundred sixteen".