164973696397373 has 2 divisors, whose sum is σ = 164973696397374. Its totient is φ = 164973696397372.

The previous prime is 164973696397361. The next prime is 164973696397681. The reversal of 164973696397373 is 373793696379461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102324999198724 + 62648697198649 = 10115582^2 + 7915093^2 .

It is a cyclic number.

It is not a de Polignac number, because 164973696397373 - 2⁸ = 164973696397117 is a prime.

It is a super-2 number, since 2×164973696397373² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164973696397291 and 164973696397300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164973696397073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82486848198686 + 82486848198687.

It is an arithmetic number, because the mean of its divisors is an integer number (82486848198687).

Almost surely, 2^{164973696397373} is an apocalyptic number.

It is an amenable number.

164973696397373 is a deficient number, since it is larger than the sum of its proper divisors (1).

164973696397373 is an equidigital number, since it uses as much as digits as its factorization.

164973696397373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17499289248, while the sum is 83.

The spelling of 164973696397373 in words is "one hundred sixty-four trillion, nine hundred seventy-three billion, six hundred ninety-six million, three hundred ninety-seven thousand, three hundred seventy-three".