163543213125343 has 16 divisors (see below), whose sum is σ = 165333729448960. Its totient is φ = 161764115721696.

The previous prime is 163543213125293. The next prime is 163543213125377. The reversal of 163543213125343 is 343521312345361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163543213125343 is a prime.

It is a super-2 number, since 2×163543213125343² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163543213125293 and 163543213125302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163543213135343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26325973 + ... + 31939681.

It is an arithmetic number, because the mean of its divisors is an integer number (10333358090560).

Almost surely, 2^{163543213125343} is an apocalyptic number.

163543213125343 is a deficient number, since it is larger than the sum of its proper divisors (1790516323617).

163543213125343 is a wasteful number, since it uses less digits than its factorization.

163543213125343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614726.

The product of its digits is 2332800, while the sum is 46.

The spelling of 163543213125343 in words is "one hundred sixty-three trillion, five hundred forty-three billion, two hundred thirteen million, one hundred twenty-five thousand, three hundred forty-three".