655221714200 has 48 divisors (see below), whose sum is σ = 1526125736880. Its totient is φ = 261618104960.

The previous prime is 655221714131. The next prime is 655221714221. The reversal of 655221714200 is 2417122556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2829452 + ... + 3052251.

It is an arithmetic number, because the mean of its divisors is an integer number (31794286185).

Almost surely, 2^655221714200 is an apocalyptic number.

It is an amenable number.

655221714200 is an abundant number, since it is smaller than the sum of its proper divisors (870904022680).

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

655221714200 is a wasteful number, since it uses less digits than its factorization.

655221714200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882276 (or 5882267 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

Adding to 655221714200 its reverse (2417122556), we get a palindrome (657638836756).

The spelling of 655221714200 in words is "six hundred fifty-five billion, two hundred twenty-one million, seven hundred fourteen thousand, two hundred".