3630221116506 has 48 divisors (see below), whose sum is σ = 8328552718824. Its totient is φ = 1138838418432.

The previous prime is 3630221116481. The next prime is 3630221116507. The reversal of 3630221116506 is 6056111220363.

3630221116506 is a `hidden beast` number, since 3 + 6 + 30 + 2 + 2 + 1 + 116 + 506 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3160092852225 + 470128264281 = 1777665^2 + 685659^2 .

It is not an unprimeable number, because it can be changed into a prime (3630221116507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6378636 + ... + 6924408.

Almost surely, 2^{3630221116506} is an apocalyptic number.

3630221116506 is an abundant number, since it is smaller than the sum of its proper divisors (4698331602318).

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

3630221116506 is a wasteful number, since it uses less digits than its factorization.

3630221116506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567535 (or 567532 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 3630221116506 its reverse (6056111220363), we get a palindrome (9686332336869).

The spelling of 3630221116506 in words is "three trillion, six hundred thirty billion, two hundred twenty-one million, one hundred sixteen thousand, five hundred six".