606660 has 24 divisors (see below), whose sum is σ = 1698816. Its totient is φ = 161760.

The previous prime is 606659. The next prime is 606673. The reversal of 606660 is 66606.

It is a self number, because there is not a number n which added to its sum of digits gives 606660.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4996 + ... + 5115.

It is an arithmetic number, because the mean of its divisors is an integer number (70784).

2⁶⁰⁶⁶⁶⁰ is an apocalyptic number.

606660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

606660 is an abundant number, since it is smaller than the sum of its proper divisors (1092156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

606660 is a wasteful number, since it uses less digits than its factorization.

606660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10123 (or 10121 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 606660 is about 778.8838167532. The cubic root of 606660 is about 84.6541890252.

The spelling of 606660 in words is "six hundred six thousand, six hundred sixty".