168435622381883 has 2 divisors, whose sum is σ = 168435622381884. Its totient is φ = 168435622381882.

The previous prime is 168435622381867. The next prime is 168435622381963. The reversal of 168435622381883 is 388183226534861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168435622381883 - 2⁴ = 168435622381867 is a prime.

It is not a weakly prime, because it can be changed into another prime (168435622381783) 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, 84217811190941 + 84217811190942.

It is an arithmetic number, because the mean of its divisors is an integer number (84217811190942).

Almost surely, 2^{168435622381883} is an apocalyptic number.

168435622381883 is a deficient number, since it is larger than the sum of its proper divisors (1).

168435622381883 is an equidigital number, since it uses as much as digits as its factorization.

168435622381883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 318504960, while the sum is 68.

The spelling of 168435622381883 in words is "one hundred sixty-eight trillion, four hundred thirty-five billion, six hundred twenty-two million, three hundred eighty-one thousand, eight hundred eighty-three".