11663320116 has 48 divisors (see below), whose sum is σ = 31942795136. Its totient is φ = 3242312064.

The previous prime is 11663320111. The next prime is 11663320121. The reversal of 11663320116 is 61102336611.

It is an interprime number because it is at equal distance from previous prime (11663320111) and next prime (11663320121).

It is a super-2 number, since 2×11663320116² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663320111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1873231 + ... + 1879446.

Almost surely, 2^11663320116 is an apocalyptic number.

It is an amenable number.

11663320116 is an abundant number, since it is smaller than the sum of its proper divisors (20279475020).

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

11663320116 is a wasteful number, since it uses less digits than its factorization.

11663320116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752728 (or 3752726 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

Adding to 11663320116 its reverse (61102336611), we get a palindrome (72765656727).

The spelling of 11663320116 in words is "eleven billion, six hundred sixty-three million, three hundred twenty thousand, one hundred sixteen".