16388840036 has 24 divisors (see below), whose sum is σ = 28898436000. Its totient is φ = 8132192064.

The previous prime is 16388840011. The next prime is 16388840047. The reversal of 16388840036 is 63004888361.

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, 1963520 + ... + 1971848.

It is an arithmetic number, because the mean of its divisors is an integer number (1204101500).

Almost surely, 2^16388840036 is an apocalyptic number.

It is an amenable number.

16388840036 is a deficient number, since it is larger than the sum of its proper divisors (12509595964).

16388840036 is a wasteful number, since it uses less digits than its factorization.

16388840036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011 (or 12009 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 16388840036 in words is "sixteen billion, three hundred eighty-eight million, eight hundred forty thousand, thirty-six".