660602 has 8 divisors (see below), whose sum is σ = 994356. Its totient is φ = 329152.

The previous prime is 660601. The next prime is 660607. The reversal of 660602 is 206066.

It can be written as a sum of positive squares in 2 ways, for example, as 638401 + 22201 = 799^2 + 149^2 .

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

It is not an unprimeable number, because it can be changed into a prime (660601) 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, 818 + ... + 1410.

2⁶⁶⁰⁶⁰² is an apocalyptic number.

660602 is a deficient number, since it is larger than the sum of its proper divisors (333754).

660602 is a wasteful number, since it uses less digits than its factorization.

660602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 660602 is about 812.7742614035. The cubic root of 660602 is about 87.0923404118.

Adding to 660602 its reverse (206066), we get a palindrome (866668).

The spelling of 660602 in words is "six hundred sixty thousand, six hundred two".