162426169 has 2 divisors, whose sum is σ = 162426170. Its totient is φ = 162426168.

The previous prime is 162426167. The next prime is 162426191. The reversal of 162426169 is 961624261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113145769 + 49280400 = 10637^2 + 7020^2 .

It is a cyclic number.

It is not a de Polignac number, because 162426169 - 2¹ = 162426167 is a prime.

It is a super-2 number, since 2×162426169² = 52764520752033122, which contains 22 as substring.

Together with 162426167, it forms a pair of twin primes.

It is equal to p_9102799 and since 162426169 and 9102799 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (162426163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81213084 + 81213085.

It is an arithmetic number, because the mean of its divisors is an integer number (81213085).

Almost surely, 2^162426169 is an apocalyptic number.

It is an amenable number.

162426169 is a deficient number, since it is larger than the sum of its proper divisors (1).

162426169 is an equidigital number, since it uses as much as digits as its factorization.

162426169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 162426169 is about 12744.6525648995. The cubic root of 162426169 is about 545.6137842644.

The spelling of 162426169 in words is "one hundred sixty-two million, four hundred twenty-six thousand, one hundred sixty-nine".