159663238 has 16 divisors (see below), whose sum is σ = 277565184. Its totient is φ = 67462920.

The previous prime is 159663221. The next prime is 159663239. The reversal of 159663238 is 832366951.

It is a junction number, because it is equal to n+sod(n) for n = 159663194 and 159663203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159663239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79320 + ... + 81307.

It is an arithmetic number, because the mean of its divisors is an integer number (17347824).

Almost surely, 2^159663238 is an apocalyptic number.

159663238 is a deficient number, since it is larger than the sum of its proper divisors (117901946).

159663238 is a wasteful number, since it uses less digits than its factorization.

159663238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160707.

The product of its digits is 233280, while the sum is 43.

The square root of 159663238 is about 12635.7919419402. The cubic root of 159663238 is about 542.5023754913.

The spelling of 159663238 in words is "one hundred fifty-nine million, six hundred sixty-three thousand, two hundred thirty-eight".