11663224416 has 36 divisors (see below), whose sum is σ = 33167295252. Its totient is φ = 3887741376.

The previous prime is 11663224393. The next prime is 11663224427. The reversal of 11663224416 is 61442236611.

11663224416 is a `hidden beast` number, since 1 + 1 + 6 + 632 + 2 + 4 + 4 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20248366 + ... + 20248941.

It is an arithmetic number, because the mean of its divisors is an integer number (921313757).

Almost surely, 2^11663224416 is an apocalyptic number.

11663224416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11663224416 is an abundant number, since it is smaller than the sum of its proper divisors (21504070836).

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

11663224416 is a wasteful number, since it uses less digits than its factorization.

11663224416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40497323 (or 40497312 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 11663224416 in words is "eleven billion, six hundred sixty-three million, two hundred twenty-four thousand, four hundred sixteen".