168841227097 has 2 divisors, whose sum is σ = 168841227098. Its totient is φ = 168841227096.

The previous prime is 168841227073. The next prime is 168841227127. The reversal of 168841227097 is 790722148861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160307347456 + 8533879641 = 400384^2 + 92379^2 .

It is a cyclic number.

It is not a de Polignac number, because 168841227097 - 2⁷ = 168841226969 is a prime.

It is not a weakly prime, because it can be changed into another prime (168841227197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84420613548 + 84420613549.

It is an arithmetic number, because the mean of its divisors is an integer number (84420613549).

Almost surely, 2^168841227097 is an apocalyptic number.

It is an amenable number.

168841227097 is a deficient number, since it is larger than the sum of its proper divisors (1).

168841227097 is an equidigital number, since it uses as much as digits as its factorization.

168841227097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 168841227097 in words is "one hundred sixty-eight billion, eight hundred forty-one million, two hundred twenty-seven thousand, ninety-seven".