163002641 has 2 divisors, whose sum is σ = 163002642. Its totient is φ = 163002640.

The previous prime is 163002629. The next prime is 163002643. The reversal of 163002641 is 146200361.

It is a happy number.

163002641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139334416 + 23668225 = 11804^2 + 4865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163002641 is a prime.

It is a Sophie Germain prime.

Together with 163002643, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (163002643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81501320 + 81501321.

It is an arithmetic number, because the mean of its divisors is an integer number (81501321).

Almost surely, 2^163002641 is an apocalyptic number.

It is an amenable number.

163002641 is a deficient number, since it is larger than the sum of its proper divisors (1).

163002641 is an equidigital number, since it uses as much as digits as its factorization.

163002641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 163002641 is about 12767.2487639272. The cubic root of 163002641 is about 546.2585073390.

The spelling of 163002641 in words is "one hundred sixty-three million, two thousand, six hundred forty-one".