168222891359 has 2 divisors, whose sum is σ = 168222891360. Its totient is φ = 168222891358.

The previous prime is 168222891313. The next prime is 168222891371. The reversal of 168222891359 is 953198222861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168222891359 - 2²⁰ = 168221842783 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168222891059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84111445679 + 84111445680.

It is an arithmetic number, because the mean of its divisors is an integer number (84111445680).

Almost surely, 2^168222891359 is an apocalyptic number.

168222891359 is a deficient number, since it is larger than the sum of its proper divisors (1).

168222891359 is an equidigital number, since it uses as much as digits as its factorization.

168222891359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 56.

The spelling of 168222891359 in words is "one hundred sixty-eight billion, two hundred twenty-two million, eight hundred ninety-one thousand, three hundred fifty-nine".