9997600163 has 2 divisors, whose sum is σ = 9997600164. Its totient is φ = 9997600162.

The previous prime is 9997600127. The next prime is 9997600169. The reversal of 9997600163 is 3610067999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9997600163 - 2¹² = 9997596067 is a prime.

It is not a weakly prime, because it can be changed into another prime (9997600169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998800081 + 4998800082.

It is an arithmetic number, because the mean of its divisors is an integer number (4998800082).

Almost surely, 2^9997600163 is an apocalyptic number.

9997600163 is a deficient number, since it is larger than the sum of its proper divisors (1).

9997600163 is an equidigital number, since it uses as much as digits as its factorization.

9997600163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 551124, while the sum is 50.

The square root of 9997600163 is about 99988.0000950114. Note that the first 4 decimals coincide. The cubic root of 9997600163 is about 2154.2623331741.

The spelling of 9997600163 in words is "nine billion, nine hundred ninety-seven million, six hundred thousand, one hundred sixty-three".