11663551016 has 32 divisors (see below), whose sum is σ = 23575860000. Its totient is φ = 5377586880.

The previous prime is 11663551007. The next prime is 11663551069. The reversal of 11663551016 is 61015536611.

11663551016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43235 + ... + 158733.

It is an arithmetic number, because the mean of its divisors is an integer number (736745625).

Almost surely, 2^11663551016 is an apocalyptic number.

It is an amenable number.

11663551016 is an abundant number, since it is smaller than the sum of its proper divisors (11912308984).

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

11663551016 is a wasteful number, since it uses less digits than its factorization.

11663551016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116489 (or 116485 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 11663551016 in words is "eleven billion, six hundred sixty-three million, five hundred fifty-one thousand, sixteen".