1063281648 has 320 divisors, whose sum is σ = 3519774720. Its totient is φ = 271641600.

The previous prime is 1063281623. The next prime is 1063281649. The reversal of 1063281648 is 8461823601.

It is a super-2 number, since 2×1063281648² = 2261135725947191808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063281649) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4042765 + ... + 4043027.

It is an arithmetic number, because the mean of its divisors is an integer number (10999296).

Almost surely, 2^1063281648 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 1063281648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1759887360).

1063281648 is an abundant number, since it is smaller than the sum of its proper divisors (2456493072).

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

1063281648 is a wasteful number, since it uses less digits than its factorization.

1063281648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1063281648 is about 32607.9997546614. Note that the first 3 decimals coincide. The cubic root of 1063281648 is about 1020.6639429698.

The spelling of 1063281648 in words is "one billion, sixty-three million, two hundred eighty-one thousand, six hundred forty-eight".