664230600 has 144 divisors (see below), whose sum is σ = 2433571920. Its totient is φ = 161020800.

The previous prime is 664230571. The next prime is 664230601. The reversal of 664230600 is 6032466.

It is not an unprimeable number, because it can be changed into a prime (664230601) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3027 + ... + 36573.

It is an arithmetic number, because the mean of its divisors is an integer number (16899805).

Almost surely, 2^664230600 is an apocalyptic number.

664230600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 664230600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216785960).

664230600 is an abundant number, since it is smaller than the sum of its proper divisors (1769341320).

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

664230600 is a wasteful number, since it uses less digits than its factorization.

664230600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33580 (or 33568 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 664230600 is about 25772.6715728114. The cubic root of 664230600 is about 872.5151159249.

The spelling of 664230600 in words is "six hundred sixty-four million, two hundred thirty thousand, six hundred".