162427071517 has 2 divisors, whose sum is σ = 162427071518. Its totient is φ = 162427071516.

The previous prime is 162427071493. The next prime is 162427071539. The reversal of 162427071517 is 715170724261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144510981316 + 17916090201 = 380146^2 + 133851^2 .

It is a cyclic number.

It is not a de Polignac number, because 162427071517 - 2³¹ = 160279587869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162427071817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81213535758 + 81213535759.

It is an arithmetic number, because the mean of its divisors is an integer number (81213535759).

Almost surely, 2^162427071517 is an apocalyptic number.

It is an amenable number.

162427071517 is a deficient number, since it is larger than the sum of its proper divisors (1).

162427071517 is an equidigital number, since it uses as much as digits as its factorization.

162427071517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164640, while the sum is 43.

Adding to 162427071517 its reverse (715170724261), we get a palindrome (877597795778).

The spelling of 162427071517 in words is "one hundred sixty-two billion, four hundred twenty-seven million, seventy-one thousand, five hundred seventeen".