163662354006469 has 2 divisors, whose sum is σ = 163662354006470. Its totient is φ = 163662354006468.

The previous prime is 163662354006439. The next prime is 163662354006491. The reversal of 163662354006469 is 964600453266361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150639710490369 + 13022643516100 = 12273537^2 + 3608690^2 .

It is a cyclic number.

It is not a de Polignac number, because 163662354006469 - 2⁷ = 163662354006341 is a prime.

It is a super-2 number, since 2×163662354006469² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163662354006439) 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, 81831177003234 + 81831177003235.

It is an arithmetic number, because the mean of its divisors is an integer number (81831177003235).

Almost surely, 2^{163662354006469} is an apocalyptic number.

It is an amenable number.

163662354006469 is a deficient number, since it is larger than the sum of its proper divisors (1).

163662354006469 is an equidigital number, since it uses as much as digits as its factorization.

163662354006469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100776960, while the sum is 61.

The spelling of 163662354006469 in words is "one hundred sixty-three trillion, six hundred sixty-two billion, three hundred fifty-four million, six thousand, four hundred sixty-nine".