1066839360 has 224 divisors, whose sum is σ = 3721973760. Its totient is φ = 257697792.

The previous prime is 1066839349. The next prime is 1066839373. The reversal of 1066839360 is 639386601.

It is a super-2 number, since 2×1066839360² = 2276292440090419200, which contains 22 as substring.

It is a congruent number.

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, 418249 + ... + 420791.

Almost surely, 2^1066839360 is an apocalyptic number.

1066839360 is a gapful number since it is divisible by the number (10) 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 1066839360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1860986880).

1066839360 is an abundant number, since it is smaller than the sum of its proper divisors (2655134400).

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

1066839360 is a wasteful number, since it uses less digits than its factorization.

1066839360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605 (or 2595 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 1066839360 is about 32662.5069460383. The cubic root of 1066839360 is about 1021.8010471035.

The spelling of 1066839360 in words is "one billion, sixty-six million, eight hundred thirty-nine thousand, three hundred sixty".