11663322774 has 8 divisors (see below), whose sum is σ = 23326645560. Its totient is φ = 3887774256.

The previous prime is 11663322773. The next prime is 11663322799. The reversal of 11663322774 is 47722336611.

11663322774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

11663322774 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663322773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971943559 + ... + 971943570.

It is an arithmetic number, because the mean of its divisors is an integer number (2915830695).

Almost surely, 2^11663322774 is an apocalyptic number.

11663322774 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11663322774 is a wasteful number, since it uses less digits than its factorization.

11663322774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943887134.

The product of its digits is 254016, while the sum is 42.

The spelling of 11663322774 in words is "eleven billion, six hundred sixty-three million, three hundred twenty-two thousand, seven hundred seventy-four".