159163663 has 2 divisors, whose sum is σ = 159163664. Its totient is φ = 159163662.

The previous prime is 159163661. The next prime is 159163709. The reversal of 159163663 is 366361951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159163663 - 2¹ = 159163661 is a prime.

Together with 159163661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159163661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79581831 + 79581832.

It is an arithmetic number, because the mean of its divisors is an integer number (79581832).

Almost surely, 2^159163663 is an apocalyptic number.

159163663 is a deficient number, since it is larger than the sum of its proper divisors (1).

159163663 is an equidigital number, since it uses as much as digits as its factorization.

159163663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 40.

The square root of 159163663 is about 12616.0082038654. The cubic root of 159163663 is about 541.9359671180.

The spelling of 159163663 in words is "one hundred fifty-nine million, one hundred sixty-three thousand, six hundred sixty-three".