604660663 has 2 divisors, whose sum is σ = 604660664. Its totient is φ = 604660662.

The previous prime is 604660649. The next prime is 604660739. The reversal of 604660663 is 366066406.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 604660663 - 2⁵ = 604660631 is a prime.

It is a super-2 number, since 2×604660663² = 731229034759199138, which contains 22 as substring.

It is equal to p_31555792 and since 604660663 and 31555792 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604660603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302330331 + 302330332.

It is an arithmetic number, because the mean of its divisors is an integer number (302330332).

Almost surely, 2^604660663 is an apocalyptic number.

604660663 is a deficient number, since it is larger than the sum of its proper divisors (1).

604660663 is an equidigital number, since it uses as much as digits as its factorization.

604660663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 604660663 is about 24589.8487795269. The cubic root of 604660663 is about 845.6108991122.

The spelling of 604660663 in words is "six hundred four million, six hundred sixty thousand, six hundred sixty-three".