601320665 has 8 divisors (see below), whose sum is σ = 787183488. Its totient is φ = 437324080.

The previous prime is 601320649. The next prime is 601320691. The reversal of 601320665 is 566023106.

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

It is not a de Polignac number, because 601320665 - 2⁴ = 601320649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5466497 + ... + 5466606.

It is an arithmetic number, because the mean of its divisors is an integer number (98397936).

Almost surely, 2^601320665 is an apocalyptic number.

It is an amenable number.

601320665 is a deficient number, since it is larger than the sum of its proper divisors (185862823).

601320665 is a wasteful number, since it uses less digits than its factorization.

601320665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10933119.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 601320665 is about 24521.8405712132. The cubic root of 601320665 is about 844.0510407091.

The spelling of 601320665 in words is "six hundred one million, three hundred twenty thousand, six hundred sixty-five".