655450602210 has 128 divisors (see below), whose sum is σ = 1827146626560. Its totient is φ = 166886362368.

The previous prime is 655450602161. The next prime is 655450602227. The reversal of 655450602210 is 12206054556.

655450602210 is a `hidden beast` number, since 6 + 5 + 5 + 45 + 0 + 602 + 2 + 1 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3364224 + ... + 3553716.

It is an arithmetic number, because the mean of its divisors is an integer number (14274583020).

Almost surely, 2^655450602210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655450602210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913573313280).

655450602210 is an abundant number, since it is smaller than the sum of its proper divisors (1171696024350).

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

655450602210 is a wasteful number, since it uses less digits than its factorization.

655450602210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190089 (or 190083 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 655450602210 its reverse (12206054556), we get a palindrome (667656656766).

The spelling of 655450602210 in words is "six hundred fifty-five billion, four hundred fifty million, six hundred two thousand, two hundred ten".