2148163648 has 56 divisors (see below), whose sum is σ = 4350056832. Its totient is φ = 1052265984.

The previous prime is 2148163643. The next prime is 2148163657. The reversal of 2148163648 is 8463618412.

It is a super-2 number, since 2×2148163648² = 9229214117177335808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2148163643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843465 + ... + 846007.

Almost surely, 2^2148163648 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 2148163648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2175028416).

2148163648 is an abundant number, since it is smaller than the sum of its proper divisors (2201893184).

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

2148163648 is a wasteful number, since it uses less digits than its factorization.

2148163648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819 (or 2809 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 2148163648 is about 46348.2863545137. The cubic root of 2148163648 is about 1290.2953168807.

The spelling of 2148163648 in words is "two billion, one hundred forty-eight million, one hundred sixty-three thousand, six hundred forty-eight".