163235456047 has 2 divisors, whose sum is σ = 163235456048. Its totient is φ = 163235456046.

The previous prime is 163235455987. The next prime is 163235456051. The reversal of 163235456047 is 740654532361.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163235456047 - 2²³ = 163227067439 is a prime.

It is a super-2 number, since 2×163235456047² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163235455988 and 163235456006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163235456057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81617728023 + 81617728024.

It is an arithmetic number, because the mean of its divisors is an integer number (81617728024).

Almost surely, 2^163235456047 is an apocalyptic number.

163235456047 is a deficient number, since it is larger than the sum of its proper divisors (1).

163235456047 is an equidigital number, since it uses as much as digits as its factorization.

163235456047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 163235456047 in words is "one hundred sixty-three billion, two hundred thirty-five million, four hundred fifty-six thousand, forty-seven".