1063580544 has 240 divisors, whose sum is σ = 3433050720. Its totient is φ = 326716416.

The previous prime is 1063580543. The next prime is 1063580561. The reversal of 1063580544 is 4450853601.

It is a happy number.

1063580544 is a `hidden beast` number, since 1 + 0 + 6 + 35 + 80 + 544 = 666.

It is a super-2 number, since 2×1063580544² = 2262407147150671872, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1063580499 and 1063580508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063580543) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1751889 + ... + 1752495.

It is an arithmetic number, because the mean of its divisors is an integer number (14304378).

Almost surely, 2^1063580544 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 1063580544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1716525360).

1063580544 is an abundant number, since it is smaller than the sum of its proper divisors (2369470176).

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

1063580544 is an equidigital number, since it uses as much as digits as its factorization.

1063580544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 1063580544 is about 32612.5826024251. The cubic root of 1063580544 is about 1020.7595726301.

The spelling of 1063580544 in words is "one billion, sixty-three million, five hundred eighty thousand, five hundred forty-four".