164652835320773 has 2 divisors, whose sum is σ = 164652835320774. Its totient is φ = 164652835320772.

The previous prime is 164652835320761. The next prime is 164652835320781. The reversal of 164652835320773 is 377023538256461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159084287831044 + 5568547489729 = 12612862^2 + 2359777^2 .

It is an emirp because it is prime and its reverse (377023538256461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164652835320773 - 2²⁴ = 164652818543557 is a prime.

It is a super-2 number, since 2×164652835320773² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164652835320173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82326417660386 + 82326417660387.

It is an arithmetic number, because the mean of its divisors is an integer number (82326417660387).

Almost surely, 2^{164652835320773} is an apocalyptic number.

It is an amenable number.

164652835320773 is a deficient number, since it is larger than the sum of its proper divisors (1).

164652835320773 is an equidigital number, since it uses as much as digits as its factorization.

164652835320773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 152409600, while the sum is 62.

The spelling of 164652835320773 in words is "one hundred sixty-four trillion, six hundred fifty-two billion, eight hundred thirty-five million, three hundred twenty thousand, seven hundred seventy-three".