16388032144 has 40 divisors (see below), whose sum is σ = 34981332480. Its totient is φ = 7375344000.

The previous prime is 16388032117. The next prime is 16388032159. The reversal of 16388032144 is 44123088361.

It is a junction number, because it is equal to n+sod(n) for n = 16388032097 and 16388032106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443184 + ... + 478735.

It is an arithmetic number, because the mean of its divisors is an integer number (874533312).

Almost surely, 2^16388032144 is an apocalyptic number.

It is an amenable number.

16388032144 is an abundant number, since it is smaller than the sum of its proper divisors (18593300336).

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

16388032144 is a wasteful number, since it uses less digits than its factorization.

16388032144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922039 (or 922033 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 16388032144 in words is "sixteen billion, three hundred eighty-eight million, thirty-two thousand, one hundred forty-four".