16385000648 has 64 divisors (see below), whose sum is σ = 32295075840. Its totient is φ = 7783200000.

The previous prime is 16385000641. The next prime is 16385000657. The reversal of 16385000648 is 84600058361.

It is not an unprimeable number, because it can be changed into a prime (16385000641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14234873 + ... + 14236023.

It is an arithmetic number, because the mean of its divisors is an integer number (504610560).

Almost surely, 2^16385000648 is an apocalyptic number.

It is an amenable number.

16385000648 is a deficient number, since it is larger than the sum of its proper divisors (15910075192).

16385000648 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (16385000647) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (2190).

16385000648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 16385000648 in words is "sixteen billion, three hundred eighty-five million, six hundred forty-eight", and thus it is an aban number.