168042841200 has 720 divisors, whose sum is σ = 646068398976. Its totient is φ = 40189132800.

The previous prime is 168042841189. The next prime is 168042841229. The reversal of 168042841200 is 2148240861.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 530103442 + ... + 530103758.

Almost surely, 2^168042841200 is an apocalyptic number.

168042841200 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 168042841200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323034199488).

168042841200 is an abundant number, since it is smaller than the sum of its proper divisors (478025557776).

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

168042841200 is a wasteful number, since it uses less digits than its factorization.

168042841200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 168042841200 in words is "one hundred sixty-eight billion, forty-two million, eight hundred forty-one thousand, two hundred".