159198663 has 32 divisors (see below), whose sum is σ = 251112960. Its totient is φ = 88767360.

The previous prime is 159198653. The next prime is 159198703. The reversal of 159198663 is 366891951.

It is not a de Polignac number, because 159198663 - 2⁸ = 159198407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159198643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12373 + ... + 21713.

It is an arithmetic number, because the mean of its divisors is an integer number (7847280).

Almost surely, 2^159198663 is an apocalyptic number.

159198663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

159198663 is a deficient number, since it is larger than the sum of its proper divisors (91914297).

159198663 is a wasteful number, since it uses less digits than its factorization.

159198663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9399.

The product of its digits is 349920, while the sum is 48.

The square root of 159198663 is about 12617.3952541719. The cubic root of 159198663 is about 541.9756880114.

The spelling of 159198663 in words is "one hundred fifty-nine million, one hundred ninety-eight thousand, six hundred sixty-three".