604216161 has 24 divisors (see below), whose sum is σ = 895175424. Its totient is φ = 392538240.

The previous prime is 604216121. The next prime is 604216183. The reversal of 604216161 is 161612406.

604216161 is a `hidden beast` number, since 6 + 0 + 42 + 1 + 616 + 1 = 666.

It is not a de Polignac number, because 604216161 - 2⁷ = 604216033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (604216121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98980 + ... + 104906.

It is an arithmetic number, because the mean of its divisors is an integer number (37298976).

Almost surely, 2^604216161 is an apocalyptic number.

It is an amenable number.

604216161 is a deficient number, since it is larger than the sum of its proper divisors (290959263).

604216161 is a wasteful number, since it uses less digits than its factorization.

604216161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6221 (or 6218 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 604216161 is about 24580.8087946674. The cubic root of 604216161 is about 845.4036380252.

Adding to 604216161 its reverse (161612406), we get a palindrome (765828567).

The spelling of 604216161 in words is "six hundred four million, two hundred sixteen thousand, one hundred sixty-one".