11663043067 has 8 divisors (see below), whose sum is σ = 13106296224. Its totient is φ = 10297803648.

The previous prime is 11663043043. The next prime is 11663043083. The reversal of 11663043067 is 76034036611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11663043067 - 2⁷ = 11663042939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11663043167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19503118 + ... + 19503715.

It is an arithmetic number, because the mean of its divisors is an integer number (1638287028).

Almost surely, 2^11663043067 is an apocalyptic number.

11663043067 is a deficient number, since it is larger than the sum of its proper divisors (1443253157).

11663043067 is a wasteful number, since it uses less digits than its factorization.

11663043067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39006869.

The product of its (nonzero) digits is 54432, while the sum is 37.

Adding to 11663043067 its reverse (76034036611), we get a palindrome (87697079678).

The spelling of 11663043067 in words is "eleven billion, six hundred sixty-three million, forty-three thousand, sixty-seven".