567020161 has 4 divisors (see below), whose sum is σ = 572634324. Its totient is φ = 561406000.

The previous prime is 567020131. The next prime is 567020171. The reversal of 567020161 is 161020765.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 245893761 + 321126400 = 15681^2 + 17920^2 .

It is a cyclic number.

It is not a de Polignac number, because 567020161 - 2¹⁹ = 566495873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (567020131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2806930 + ... + 2807131.

It is an arithmetic number, because the mean of its divisors is an integer number (143158581).

Almost surely, 2^567020161 is an apocalyptic number.

It is an amenable number.

567020161 is a deficient number, since it is larger than the sum of its proper divisors (5614163).

567020161 is a wasteful number, since it uses less digits than its factorization.

567020161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5614162.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 567020161 is about 23812.1851370260. The cubic root of 567020161 is about 827.6870627928.

The spelling of 567020161 in words is "five hundred sixty-seven million, twenty thousand, one hundred sixty-one".