601600665 has 32 divisors (see below), whose sum is σ = 979925760. Its totient is φ = 315104256.

The previous prime is 601600631. The next prime is 601600669. The reversal of 601600665 is 566006106.

It is not a de Polignac number, because 601600665 - 2⁸ = 601600409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (601600669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286941 + ... + 289029.

It is an arithmetic number, because the mean of its divisors is an integer number (30622680).

Almost surely, 2^601600665 is an apocalyptic number.

It is an amenable number.

601600665 is a deficient number, since it is larger than the sum of its proper divisors (378325095).

601600665 is a wasteful number, since it uses less digits than its factorization.

601600665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 601600665 is about 24527.5491029984. The cubic root of 601600665 is about 844.1820288447.

The spelling of 601600665 in words is "six hundred one million, six hundred thousand, six hundred sixty-five".