163338725471 has 2 divisors, whose sum is σ = 163338725472. Its totient is φ = 163338725470.

The previous prime is 163338725461. The next prime is 163338725477. The reversal of 163338725471 is 174527833361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163338725471 - 2³⁴ = 146158856287 is a prime.

It is a super-3 number, since 3×163338725471³ (a number of 35 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163338725477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81669362735 + 81669362736.

It is an arithmetic number, because the mean of its divisors is an integer number (81669362736).

Almost surely, 2^163338725471 is an apocalyptic number.

163338725471 is a deficient number, since it is larger than the sum of its proper divisors (1).

163338725471 is an equidigital number, since it uses as much as digits as its factorization.

163338725471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 50.

The spelling of 163338725471 in words is "one hundred sixty-three billion, three hundred thirty-eight million, seven hundred twenty-five thousand, four hundred seventy-one".