664030200 has 96 divisors (see below), whose sum is σ = 2179614960. Its totient is φ = 166656000.

The previous prime is 664030177. The next prime is 664030229. The reversal of 664030200 is 2030466.

It is a super-2 number, since 2×664030200² = 881872213024080000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22351 + ... + 42750.

Almost surely, 2^664030200 is an apocalyptic number.

664030200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

664030200 is an abundant number, since it is smaller than the sum of its proper divisors (1515584760).

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

664030200 is a wasteful number, since it uses less digits than its factorization.

664030200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65137 (or 65128 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 664030200 is about 25768.7834404343. The cubic root of 664030200 is about 872.4273604493.

Adding to 664030200 its reverse (2030466), we get a palindrome (666060666).

The spelling of 664030200 in words is "six hundred sixty-four million, thirty thousand, two hundred".