162356794478773 has 2 divisors, whose sum is σ = 162356794478774. Its totient is φ = 162356794478772.

The previous prime is 162356794478771. The next prime is 162356794478819. The reversal of 162356794478773 is 377874497653261.

162356794478773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157445327389284 + 4911467089489 = 12547722^2 + 2216183^2 .

It is a cyclic number.

It is not a de Polignac number, because 162356794478773 - 2¹ = 162356794478771 is a prime.

Together with 162356794478771, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 162356794478693 and 162356794478702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162356794478771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81178397239386 + 81178397239387.

It is an arithmetic number, because the mean of its divisors is an integer number (81178397239387).

Almost surely, 2^{162356794478773} is an apocalyptic number.

It is an amenable number.

162356794478773 is a deficient number, since it is larger than the sum of its proper divisors (1).

162356794478773 is an equidigital number, since it uses as much as digits as its factorization.

162356794478773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8961684480, while the sum is 79.

The spelling of 162356794478773 in words is "one hundred sixty-two trillion, three hundred fifty-six billion, seven hundred ninety-four million, four hundred seventy-eight thousand, seven hundred seventy-three".