162868243 has 2 divisors, whose sum is σ = 162868244. Its totient is φ = 162868242.

The previous prime is 162868241. The next prime is 162868271. The reversal of 162868243 is 342868261.

It is a weak prime.

It is an emirp because it is prime and its reverse (342868261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162868243 - 2¹ = 162868241 is a prime.

Together with 162868241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 162868196 and 162868205.

It is not a weakly prime, because it can be changed into another prime (162868241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81434121 + 81434122.

It is an arithmetic number, because the mean of its divisors is an integer number (81434122).

Almost surely, 2^162868243 is an apocalyptic number.

162868243 is a deficient number, since it is larger than the sum of its proper divisors (1).

162868243 is an equidigital number, since it uses as much as digits as its factorization.

162868243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 40.

The square root of 162868243 is about 12761.9842892867. The cubic root of 162868243 is about 546.1083334171.

The spelling of 162868243 in words is "one hundred sixty-two million, eight hundred sixty-eight thousand, two hundred forty-three".