64216200 has 192 divisors, whose sum is σ = 216057600. Its totient is φ = 15724800.

The previous prime is 64216199. The next prime is 64216247. The reversal of 64216200 is 261246.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 490135 + ... + 490265.

It is an arithmetic number, because the mean of its divisors is an integer number (1125300).

Almost surely, 2^64216200 is an apocalyptic number.

64216200 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 64216200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108028800).

64216200 is an abundant number, since it is smaller than the sum of its proper divisors (151841400).

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

64216200 is a wasteful number, since it uses less digits than its factorization.

64216200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 64216200 is about 8013.5011075060. The cubic root of 64216200 is about 400.4499104285.

Adding to 64216200 its reverse (261246), we get a palindrome (64477446).

It can be divided in two parts, 6421 and 6200, that added together give a palindrome (12621).

The spelling of 64216200 in words is "sixty-four million, two hundred sixteen thousand, two hundred".