9990202163 has 2 divisors, whose sum is σ = 9990202164. Its totient is φ = 9990202162.

The previous prime is 9990202153. The next prime is 9990202219. The reversal of 9990202163 is 3612020999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9990202163 - 2¹² = 9990198067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9990202163.

It is not a weakly prime, because it can be changed into another prime (9990202153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4995101081 + 4995101082.

It is an arithmetic number, because the mean of its divisors is an integer number (4995101082).

Almost surely, 2^9990202163 is an apocalyptic number.

9990202163 is a deficient number, since it is larger than the sum of its proper divisors (1).

9990202163 is an equidigital number, since it uses as much as digits as its factorization.

9990202163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 9990202163 is about 99950.9988094166. The cubic root of 9990202163 is about 2153.7308334421.

The spelling of 9990202163 in words is "nine billion, nine hundred ninety million, two hundred two thousand, one hundred sixty-three".