168342805056 has 112 divisors (see below), whose sum is σ = 448110864000. Its totient is φ = 55774236672.

The previous prime is 168342805051. The next prime is 168342805153. The reversal of 168342805056 is 650508243861.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 168342804996 and 168342805014.

It is not an unprimeable number, because it can be changed into a prime (168342805051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52457980 + ... + 52461188.

Almost surely, 2^168342805056 is an apocalyptic number.

168342805056 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 168342805056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224055432000).

168342805056 is an abundant number, since it is smaller than the sum of its proper divisors (279768058944).

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

168342805056 is a wasteful number, since it uses less digits than its factorization.

168342805056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796 (or 4786 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 168342805056 in words is "one hundred sixty-eight billion, three hundred forty-two million, eight hundred five thousand, fifty-six".