655216221202 has 32 divisors (see below), whose sum is σ = 1010708088192. Its totient is φ = 318474140544.

The previous prime is 655216221197. The next prime is 655216221221. The reversal of 655216221202 is 202122612556.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2971083 + ... + 3183985.

It is an arithmetic number, because the mean of its divisors is an integer number (31584627756).

Almost surely, 2^655216221202 is an apocalyptic number.

655216221202 is a deficient number, since it is larger than the sum of its proper divisors (355491866990).

655216221202 is a wasteful number, since it uses less digits than its factorization.

655216221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213282.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 655216221202 its reverse (202122612556), we get a palindrome (857338833758).

The spelling of 655216221202 in words is "six hundred fifty-five billion, two hundred sixteen million, two hundred twenty-one thousand, two hundred two".