163138705343 has 2 divisors, whose sum is σ = 163138705344. Its totient is φ = 163138705342.

The previous prime is 163138705319. The next prime is 163138705349. The reversal of 163138705343 is 343507831361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163138705343 - 2¹⁸ = 163138443199 is a prime.

It is a super-2 number, since 2×163138705343² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 163138705294 and 163138705303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163138705349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81569352671 + 81569352672.

It is an arithmetic number, because the mean of its divisors is an integer number (81569352672).

Almost surely, 2^163138705343 is an apocalyptic number.

163138705343 is a deficient number, since it is larger than the sum of its proper divisors (1).

163138705343 is an equidigital number, since it uses as much as digits as its factorization.

163138705343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 163138705343 in words is "one hundred sixty-three billion, one hundred thirty-eight million, seven hundred five thousand, three hundred forty-three".