11684401916 has 24 divisors (see below), whose sum is σ = 22370898816. Its totient is φ = 5295779120.

The previous prime is 11684401871. The next prime is 11684401951. The reversal of 11684401916 is 61910448611.

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, 367376 + ... + 397911.

It is an arithmetic number, because the mean of its divisors is an integer number (932120784).

Almost surely, 2^11684401916 is an apocalyptic number.

It is an amenable number.

11684401916 is a deficient number, since it is larger than the sum of its proper divisors (10686496900).

11684401916 is a wasteful number, since it uses less digits than its factorization.

11684401916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765649 (or 765647 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 11684401916 in words is "eleven billion, six hundred eighty-four million, four hundred one thousand, nine hundred sixteen".