162868117117 has 2 divisors, whose sum is σ = 162868117118. Its totient is φ = 162868117116.

The previous prime is 162868117091. The next prime is 162868117187. The reversal of 162868117117 is 711711868261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100501046361 + 62367070756 = 317019^2 + 249734^2 .

It is a cyclic number.

It is not a de Polignac number, because 162868117117 - 2⁷ = 162868116989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162868117187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81434058558 + 81434058559.

It is an arithmetic number, because the mean of its divisors is an integer number (81434058559).

Almost surely, 2^162868117117 is an apocalyptic number.

It is an amenable number.

162868117117 is a deficient number, since it is larger than the sum of its proper divisors (1).

162868117117 is an equidigital number, since it uses as much as digits as its factorization.

162868117117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 49.

The spelling of 162868117117 in words is "one hundred sixty-two billion, eight hundred sixty-eight million, one hundred seventeen thousand, one hundred seventeen".