164245350630443 has 2 divisors, whose sum is σ = 164245350630444. Its totient is φ = 164245350630442.

The previous prime is 164245350630421. The next prime is 164245350630457. The reversal of 164245350630443 is 344036053542461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164245350630443 - 2⁴⁰ = 163145839002667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164245350630391 and 164245350630400.

It is not a weakly prime, because it can be changed into another prime (164245350630143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82122675315221 + 82122675315222.

It is an arithmetic number, because the mean of its divisors is an integer number (82122675315222).

Almost surely, 2^{164245350630443} is an apocalyptic number.

164245350630443 is a deficient number, since it is larger than the sum of its proper divisors (1).

164245350630443 is an equidigital number, since it uses as much as digits as its factorization.

164245350630443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12441600, while the sum is 50.

The spelling of 164245350630443 in words is "one hundred sixty-four trillion, two hundred forty-five billion, three hundred fifty million, six hundred thirty thousand, four hundred forty-three".