565520163 has 8 divisors (see below), whose sum is σ = 812029008. Its totient is φ = 348012384.

The previous prime is 565520143. The next prime is 565520167. The reversal of 565520163 is 361025565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 565520163 - 2¹⁴ = 565503779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (565520167) 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, 7250220 + ... + 7250297.

It is an arithmetic number, because the mean of its divisors is an integer number (101503626).

Almost surely, 2^565520163 is an apocalyptic number.

565520163 is a deficient number, since it is larger than the sum of its proper divisors (246508845).

565520163 is a wasteful number, since it uses less digits than its factorization.

565520163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14500533.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 565520163 is about 23780.6678417575. The cubic root of 565520163 is about 826.9565624107.

The spelling of 565520163 in words is "five hundred sixty-five million, five hundred twenty thousand, one hundred sixty-three".