664603030 has 128 divisors (see below), whose sum is σ = 1544417280. Its totient is φ = 200309760.

The previous prime is 664603021. The next prime is 664603057. The reversal of 664603030 is 30306466.

664603030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 664603030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1753381 + ... + 1753759.

It is an arithmetic number, because the mean of its divisors is an integer number (12065760).

Almost surely, 2^664603030 is an apocalyptic number.

664603030 is an abundant number, since it is smaller than the sum of its proper divisors (879814250).

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

664603030 is a wasteful number, since it uses less digits than its factorization.

664603030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 664603030 is about 25779.8958492853. The cubic root of 664603030 is about 872.6781567378.

Adding to 664603030 its reverse (30306466), we get a palindrome (694909496).

The spelling of 664603030 in words is "six hundred sixty-four million, six hundred three thousand, thirty".