664026200 has 48 divisors (see below), whose sum is σ = 1593677760. Its totient is φ = 257040000.

The previous prime is 664026191. The next prime is 664026203. The reversal of 664026200 is 2620466.

It is a self number, because there is not a number n which added to its sum of digits gives 664026200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664026203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47351 + ... + 59750.

It is an arithmetic number, because the mean of its divisors is an integer number (33201620).

Almost surely, 2^664026200 is an apocalyptic number.

It is an amenable number.

664026200 is an abundant number, since it is smaller than the sum of its proper divisors (929651560).

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

664026200 is a wasteful number, since it uses less digits than its factorization.

664026200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107148 (or 107139 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 664026200 is about 25768.7058270298. The cubic root of 664026200 is about 872.4256086633.

Adding to 664026200 its reverse (2620466), we get a palindrome (666646666).

The spelling of 664026200 in words is "six hundred sixty-four million, twenty-six thousand, two hundred".