162642230617 has 2 divisors, whose sum is σ = 162642230618. Its totient is φ = 162642230616.

The previous prime is 162642230609. The next prime is 162642230689. The reversal of 162642230617 is 716032246261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158166085401 + 4476145216 = 397701^2 + 66904^2 .

It is a cyclic number.

It is not a de Polignac number, because 162642230617 - 2³ = 162642230609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162642230617.

It is not a weakly prime, because it can be changed into another prime (162642230717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81321115308 + 81321115309.

It is an arithmetic number, because the mean of its divisors is an integer number (81321115309).

Almost surely, 2^162642230617 is an apocalyptic number.

It is an amenable number.

162642230617 is a deficient number, since it is larger than the sum of its proper divisors (1).

162642230617 is an equidigital number, since it uses as much as digits as its factorization.

162642230617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

Adding to 162642230617 its reverse (716032246261), we get a palindrome (878674476878).

The spelling of 162642230617 in words is "one hundred sixty-two billion, six hundred forty-two million, two hundred thirty thousand, six hundred seventeen".