604666660 has 48 divisors (see below), whose sum is σ = 1376279856. Its totient is φ = 221824512.

The previous prime is 604666651. The next prime is 604666661. The reversal of 604666660 is 66666406.

It can be written as a sum of positive squares in 8 ways, for example, as 127418944 + 477247716 = 11288^2 + 21846^2 .

It is not an unprimeable number, because it can be changed into a prime (604666661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33414 + ... + 48226.

It is an arithmetic number, because the mean of its divisors is an integer number (28672497).

Almost surely, 2^604666660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 604666660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (688139928).

604666660 is an abundant number, since it is smaller than the sum of its proper divisors (771613196).

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

604666660 is a wasteful number, since it uses less digits than its factorization.

604666660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14992 (or 14990 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 604666660 is about 24589.9707197874. The cubic root of 604666660 is about 845.6136946812.

The spelling of 604666660 in words is "six hundred four million, six hundred sixty-six thousand, six hundred sixty".