159566463 has 32 divisors (see below), whose sum is σ = 274219520. Its totient is φ = 89812800.

The previous prime is 159566447. The next prime is 159566531. The reversal of 159566463 is 364665951.

It is not a de Polignac number, because 159566463 - 2⁴ = 159566447 is a prime.

It is a super-2 number, since 2×159566463² = 50922912228660738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159566443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6363 + ... + 18963.

It is an arithmetic number, because the mean of its divisors is an integer number (8569360).

Almost surely, 2^159566463 is an apocalyptic number.

159566463 is a deficient number, since it is larger than the sum of its proper divisors (114653057).

159566463 is a wasteful number, since it uses less digits than its factorization.

159566463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12684 (or 12678 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 159566463 is about 12631.9619616273. The cubic root of 159566463 is about 542.3927462516.

The spelling of 159566463 in words is "one hundred fifty-nine million, five hundred sixty-six thousand, four hundred sixty-three".