163702241 has 2 divisors, whose sum is σ = 163702242. Its totient is φ = 163702240.

The previous prime is 163702237. The next prime is 163702261. The reversal of 163702241 is 142207361.

163702241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163456225 + 246016 = 12785^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 163702241 - 2² = 163702237 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163702241.

It is not a weakly prime, because it can be changed into another prime (163702211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81851120 + 81851121.

It is an arithmetic number, because the mean of its divisors is an integer number (81851121).

Almost surely, 2^163702241 is an apocalyptic number.

It is an amenable number.

163702241 is a deficient number, since it is larger than the sum of its proper divisors (1).

163702241 is an equidigital number, since it uses as much as digits as its factorization.

163702241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 163702241 is about 12794.6176574371. The cubic root of 163702241 is about 547.0388975789.

The spelling of 163702241 in words is "one hundred sixty-three million, seven hundred two thousand, two hundred forty-one".