162668961292073 has 2 divisors, whose sum is σ = 162668961292074. Its totient is φ = 162668961292072.

The previous prime is 162668961292007. The next prime is 162668961292081. The reversal of 162668961292073 is 370292169866261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103079083867369 + 59589877424704 = 10152787^2 + 7719448^2 .

It is a cyclic number.

It is not a de Polignac number, because 162668961292073 - 2⁸ = 162668961291817 is a prime.

It is a super-2 number, since 2×162668961292073² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 162668961291994 and 162668961292012.

It is not a weakly prime, because it can be changed into another prime (162668961298073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81334480646036 + 81334480646037.

It is an arithmetic number, because the mean of its divisors is an integer number (81334480646037).

Almost surely, 2^{162668961292073} is an apocalyptic number.

It is an amenable number.

162668961292073 is a deficient number, since it is larger than the sum of its proper divisors (1).

162668961292073 is an equidigital number, since it uses as much as digits as its factorization.

162668961292073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141087744, while the sum is 68.

The spelling of 162668961292073 in words is "one hundred sixty-two trillion, six hundred sixty-eight billion, nine hundred sixty-one million, two hundred ninety-two thousand, seventy-three".