663313046661210 has 64 divisors (see below), whose sum is σ = 1737020873612160. Its totient is φ = 160771059578880.

The previous prime is 663313046661191. The next prime is 663313046661227. The reversal of 663313046661210 is 12166640313366.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 663313046661210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198989827 + ... + 202295766.

It is an arithmetic number, because the mean of its divisors is an integer number (27140951150190).

Almost surely, 2^{663313046661210} is an apocalyptic number.

663313046661210 is an abundant number, since it is smaller than the sum of its proper divisors (1073707826950950).

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

663313046661210 is a wasteful number, since it uses less digits than its factorization.

663313046661210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401290623.

The product of its (nonzero) digits is 1679616, while the sum is 48.

Adding to 663313046661210 its reverse (12166640313366), we get a palindrome (675479686974576).

The spelling of 663313046661210 in words is "six hundred sixty-three trillion, three hundred thirteen billion, forty-six million, six hundred sixty-one thousand, two hundred ten".