163602001 has 2 divisors, whose sum is σ = 163602002. Its totient is φ = 163602000.

The previous prime is 163601987. The next prime is 163602031. The reversal of 163602001 is 100206361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92621376 + 70980625 = 9624^2 + 8425^2 .

It is a cyclic number.

It is not a de Polignac number, because 163602001 - 2¹⁹ = 163077713 is a prime.

It is a super-2 number, since 2×163602001² = 53531229462408002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163602001.

It is not a weakly prime, because it can be changed into another prime (163602031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81801000 + 81801001.

It is an arithmetic number, because the mean of its divisors is an integer number (81801001).

Almost surely, 2^163602001 is an apocalyptic number.

It is an amenable number.

163602001 is a deficient number, since it is larger than the sum of its proper divisors (1).

163602001 is an equidigital number, since it uses as much as digits as its factorization.

163602001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 163602001 is about 12790.6997853909. The cubic root of 163602001 is about 546.9272184412.

Adding to 163602001 its reverse (100206361), we get a palindrome (263808362).

The spelling of 163602001 in words is "one hundred sixty-three million, six hundred two thousand, one".