16188797964 has 24 divisors (see below), whose sum is σ = 37806655600. Its totient is φ = 5391581184.

The previous prime is 16188797957. The next prime is 16188798001. The reversal of 16188797964 is 46979788161.

It is a happy number.

16188797964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16188797895 and 16188797904.

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, 571189 + ... + 598860.

Almost surely, 2^16188797964 is an apocalyptic number.

It is an amenable number.

16188797964 is an abundant number, since it is smaller than the sum of its proper divisors (21617857636).

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

16188797964 is a wasteful number, since it uses less digits than its factorization.

16188797964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171209 (or 1171207 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 66.

The spelling of 16188797964 in words is "sixteen billion, one hundred eighty-eight million, seven hundred ninety-seven thousand, nine hundred sixty-four".