162204340517 has 2 divisors, whose sum is σ = 162204340518. Its totient is φ = 162204340516.

The previous prime is 162204340499. The next prime is 162204340523. The reversal of 162204340517 is 715043402261.

It is a Cunningham number, because it is equal to 402746²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162204340516 + 1 = 402746^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 162204340517 - 2⁶ = 162204340453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162204340547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81102170258 + 81102170259.

It is an arithmetic number, because the mean of its divisors is an integer number (81102170259).

Almost surely, 2^162204340517 is an apocalyptic number.

It is an amenable number.

162204340517 is a deficient number, since it is larger than the sum of its proper divisors (1).

162204340517 is an equidigital number, since it uses as much as digits as its factorization.

162204340517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 162204340517 its reverse (715043402261), we get a palindrome (877247742778).

The spelling of 162204340517 in words is "one hundred sixty-two billion, two hundred four million, three hundred forty thousand, five hundred seventeen".