9998165063 has 2 divisors, whose sum is σ = 9998165064. Its totient is φ = 9998165062.

The previous prime is 9998165053. The next prime is 9998165119. The reversal of 9998165063 is 3605618999.

It is an a-pointer prime, because the next prime (9998165119) can be obtained adding 9998165063 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9998165063 - 2¹⁰ = 9998164039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9998165053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999082531 + 4999082532.

It is an arithmetic number, because the mean of its divisors is an integer number (4999082532).

Almost surely, 2^9998165063 is an apocalyptic number.

9998165063 is a deficient number, since it is larger than the sum of its proper divisors (1).

9998165063 is an equidigital number, since it uses as much as digits as its factorization.

9998165063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 56.

The square root of 9998165063 is about 99990.8248940872. The cubic root of 9998165063 is about 2154.3029069069.

The spelling of 9998165063 in words is "nine billion, nine hundred ninety-eight million, one hundred sixty-five thousand, sixty-three".