11663170784 has 48 divisors (see below), whose sum is σ = 23733043488. Its totient is φ = 5637745152.

The previous prime is 11663170777. The next prime is 11663170793. The reversal of 11663170784 is 48707136611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154517 + ... + 217259.

It is an arithmetic number, because the mean of its divisors is an integer number (494438406).

Almost surely, 2^11663170784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11663170784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11866521744).

11663170784 is an abundant number, since it is smaller than the sum of its proper divisors (12069872704).

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

11663170784 is a wasteful number, since it uses less digits than its factorization.

11663170784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62947 (or 62939 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 11663170784 in words is "eleven billion, six hundred sixty-three million, one hundred seventy thousand, seven hundred eighty-four".