2148668016 has 80 divisors (see below), whose sum is σ = 6065290368. Its totient is φ = 650041600.

The previous prime is 2148668009. The next prime is 2148668021. The reversal of 2148668016 is 6108668412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354451 + ... + 360461.

Almost surely, 2^2148668016 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 2148668016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3032645184).

2148668016 is an abundant number, since it is smaller than the sum of its proper divisors (3916622352).

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

2148668016 is a wasteful number, since it uses less digits than its factorization.

2148668016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6710 (or 6704 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 2148668016 is about 46353.7270993391. The cubic root of 2148668016 is about 1290.3962919225.

The spelling of 2148668016 in words is "two billion, one hundred forty-eight million, six hundred sixty-eight thousand, sixteen".