128296163 has 2 divisors, whose sum is σ = 128296164. Its totient is φ = 128296162.

The previous prime is 128296153. The next prime is 128296187. The reversal of 128296163 is 361692821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128296163 - 2⁶ = 128296099 is a prime.

It is not a weakly prime, because it can be changed into another prime (128296153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64148081 + 64148082.

It is an arithmetic number, because the mean of its divisors is an integer number (64148082).

Almost surely, 2^128296163 is an apocalyptic number.

128296163 is a deficient number, since it is larger than the sum of its proper divisors (1).

128296163 is an equidigital number, since it uses as much as digits as its factorization.

128296163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 128296163 is about 11326.7896157737. The cubic root of 128296163 is about 504.3568101440.

The spelling of 128296163 in words is "one hundred twenty-eight million, two hundred ninety-six thousand, one hundred sixty-three".