163543353250161 has 8 divisors (see below), whose sum is σ = 218058044842080. Its totient is φ = 109028781912512.

The previous prime is 163543353250111. The next prime is 163543353250163. The reversal of 163543353250161 is 161052353345361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163543353250161 - 2¹⁰ = 163543353249137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163543353250161.

It is not an unprimeable number, because it can be changed into a prime (163543353250163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26840931 + ... + 32365448.

It is an arithmetic number, because the mean of its divisors is an integer number (27257255605260).

Almost surely, 2^{163543353250161} is an apocalyptic number.

It is an amenable number.

163543353250161 is a deficient number, since it is larger than the sum of its proper divisors (54514691591919).

163543353250161 is an equidigital number, since it uses as much as digits as its factorization.

163543353250161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60127135.

The product of its (nonzero) digits is 2916000, while the sum is 48.

The spelling of 163543353250161 in words is "one hundred sixty-three trillion, five hundred forty-three billion, three hundred fifty-three million, two hundred fifty thousand, one hundred sixty-one".