168854390495712 has 384 divisors, whose sum is σ = 514696633758720. Its totient is φ = 53754745651200.

The previous prime is 168854390495653. The next prime is 168854390495731. The reversal of 168854390495712 is 217594093458861.

168854390495712 is a `hidden beast` number, since 1 + 6 + 8 + 8 + 5 + 4 + 3 + 9 + 0 + 49 + 571 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52717572703 + ... + 52717575905.

It is an arithmetic number, because the mean of its divisors is an integer number (1340355817080).

It is a 1-persistent number, because it is pandigital, but 2⋅168854390495712 = 337708780991424 is not.

Almost surely, 2^{168854390495712} is an apocalyptic number.

168854390495712 is a gapful number since it is divisible by the number (12) 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 168854390495712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257348316879360).

168854390495712 is an abundant number, since it is smaller than the sum of its proper divisors (345842243263008).

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

168854390495712 is a wasteful number, since it uses less digits than its factorization.

168854390495712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6503 (or 6489 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 72.

The spelling of 168854390495712 in words is "one hundred sixty-eight trillion, eight hundred fifty-four billion, three hundred ninety million, four hundred ninety-five thousand, seven hundred twelve".