168222891353 has 16 divisors (see below), whose sum is σ = 199835812800. Its totient is φ = 139885058880.

The previous prime is 168222891313. The next prime is 168222891359. The reversal of 168222891353 is 353198222861.

It is a happy number.

It is not a de Polignac number, because 168222891353 - 2⁸ = 168222891097 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 13871426 + ... + 13883547.

It is an arithmetic number, because the mean of its divisors is an integer number (12489738300).

Almost surely, 2^168222891353 is an apocalyptic number.

It is an amenable number.

168222891353 is a deficient number, since it is larger than the sum of its proper divisors (31612921447).

168222891353 is a wasteful number, since it uses less digits than its factorization.

168222891353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27755032.

The product of its digits is 1244160, while the sum is 50.

The spelling of 168222891353 in words is "one hundred sixty-eight billion, two hundred twenty-two million, eight hundred ninety-one thousand, three hundred fifty-three".