168222891352 has 32 divisors (see below), whose sum is σ = 326838758400. Its totient is φ = 81115411104.

The previous prime is 168222891313. The next prime is 168222891359. The reversal of 168222891352 is 253198222861.

It is a junction number, because it is equal to n+sod(n) for n = 168222891296 and 168222891305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168222891359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3067888 + ... + 3122239.

It is an arithmetic number, because the mean of its divisors is an integer number (10213711200).

Almost surely, 2^168222891352 is an apocalyptic number.

It is an amenable number.

168222891352 is a deficient number, since it is larger than the sum of its proper divisors (158615867048).

168222891352 is a wasteful number, since it uses less digits than its factorization.

168222891352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6190255 (or 6190251 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The spelling of 168222891352 in words is "one hundred sixty-eight billion, two hundred twenty-two million, eight hundred ninety-one thousand, three hundred fifty-two".