16650878748 has 96 divisors (see below), whose sum is σ = 45383385600. Its totient is φ = 4749534720.

The previous prime is 16650878731. The next prime is 16650878771. The reversal of 16650878748 is 84787805661.

It is a happy number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 16650878691 and 16650878700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2767063 + ... + 2773073.

It is an arithmetic number, because the mean of its divisors is an integer number (472743600).

Almost surely, 2^16650878748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16650878748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22691692800).

16650878748 is an abundant number, since it is smaller than the sum of its proper divisors (28732506852).

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

16650878748 is a wasteful number, since it uses less digits than its factorization.

16650878748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6712 (or 6696 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 60.

The spelling of 16650878748 in words is "sixteen billion, six hundred fifty million, eight hundred seventy-eight thousand, seven hundred forty-eight".