563420161 has 8 divisors (see below), whose sum is σ = 575892864. Its totient is φ = 550967760.

The previous prime is 563420141. The next prime is 563420173. The reversal of 563420161 is 161024365.

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

It is a cyclic number.

It is not a de Polignac number, because 563420161 - 2²⁹ = 26549249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563420131) 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, 60166 + ... + 68896.

It is an arithmetic number, because the mean of its divisors is an integer number (71986608).

Almost surely, 2^563420161 is an apocalyptic number.

It is an amenable number.

563420161 is a deficient number, since it is larger than the sum of its proper divisors (12472703).

563420161 is a wasteful number, since it uses less digits than its factorization.

563420161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10151.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 563420161 is about 23736.4732216056. The cubic root of 563420161 is about 825.9316862169.

The spelling of 563420161 in words is "five hundred sixty-three million, four hundred twenty thousand, one hundred sixty-one".