2148631056 has 160 divisors (see below), whose sum is σ = 7245786240. Its totient is φ = 600998400.

The previous prime is 2148631031. The next prime is 2148631061. The reversal of 2148631056 is 6501368412.

It is a happy number.

2148631056 is a `hidden beast` number, since 2 + 14 + 8 + 631 + 0 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2148631056.

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, 44386 + ... + 79166.

It is an arithmetic number, because the mean of its divisors is an integer number (45286164).

Almost surely, 2^2148631056 is an apocalyptic number.

2148631056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2148631056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3622893120).

2148631056 is an abundant number, since it is smaller than the sum of its proper divisors (5097155184).

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

2148631056 is a wasteful number, since it uses less digits than its factorization.

2148631056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34822 (or 34810 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2148631056 is about 46353.3284241811. The cubic root of 2148631056 is about 1290.3888930255.

Adding to 2148631056 its reverse (6501368412), we get a palindrome (8649999468).

The spelling of 2148631056 in words is "two billion, one hundred forty-eight million, six hundred thirty-one thousand, fifty-six".