168500370002244 has 144 divisors (see below), whose sum is σ = 464320371715200. Its totient is φ = 46587573204480.

The previous prime is 168500370002243. The next prime is 168500370002299. The reversal of 168500370002244 is 442200073005861.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 168500370002196 and 168500370002205.

It is not an unprimeable number, because it can be changed into a prime (168500370002243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2067220162 + ... + 2067301670.

It is an arithmetic number, because the mean of its divisors is an integer number (3224447025800).

Almost surely, 2^{168500370002244} is an apocalyptic number.

168500370002244 is a gapful number since it is divisible by the number (14) 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 168500370002244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232160185857600).

168500370002244 is an abundant number, since it is smaller than the sum of its proper divisors (295820001712956).

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

168500370002244 is a wasteful number, since it uses less digits than its factorization.

168500370002244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107194 (or 107161 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 168500370002244 in words is "one hundred sixty-eight trillion, five hundred billion, three hundred seventy million, two thousand, two hundred forty-four".