65605605000210 has 128 divisors (see below), whose sum is σ = 190861404088320. Its totient is φ = 15903661176000.

The previous prime is 65605605000193. The next prime is 65605605000217. The reversal of 65605605000210 is 1200050650656.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (65605605000217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65864385 + ... + 66853035.

It is an arithmetic number, because the mean of its divisors is an integer number (1491104719440).

Almost surely, 2^{65605605000210} is an apocalyptic number.

65605605000210 is an abundant number, since it is smaller than the sum of its proper divisors (125255799088110).

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

65605605000210 is a wasteful number, since it uses less digits than its factorization.

65605605000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011021 (or 1011015 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 65605605000210 its reverse (1200050650656), we get a palindrome (66805655650866).

The spelling of 65605605000210 in words is "sixty-five trillion, six hundred five billion, six hundred five million, two hundred ten", and thus it is an aban number.