168358744260 has 864 divisors, whose sum is σ = 655205241600. Its totient is φ = 34850995200.

The previous prime is 168358744243. The next prime is 168358744271. The reversal of 168358744260 is 62447853861.

It is a happy number.

168358744260 is a `hidden beast` number, since 1 + 68 + 3 + 5 + 87 + 442 + 60 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 168358744197 and 168358744206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1666918210 + ... + 1666918310.

It is an arithmetic number, because the mean of its divisors is an integer number (758339400).

Almost surely, 2^168358744260 is an apocalyptic number.

168358744260 is a gapful number since it is divisible by the number (10) 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 168358744260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327602620800).

168358744260 is an abundant number, since it is smaller than the sum of its proper divisors (486846497340).

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

168358744260 is a wasteful number, since it uses less digits than its factorization.

168358744260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 168358744260 in words is "one hundred sixty-eight billion, three hundred fifty-eight million, seven hundred forty-four thousand, two hundred sixty".