1066703320 has 32 divisors (see below), whose sum is σ = 2526404400. Its totient is φ = 404224128.

The previous prime is 1066703311. The next prime is 1066703357. The reversal of 1066703320 is 233076601.

It is a super-2 number, since 2×1066703320² = 2275711945798044800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701019 + ... + 702538.

Almost surely, 2^1066703320 is an apocalyptic number.

1066703320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066703320 is an abundant number, since it is smaller than the sum of its proper divisors (1459701080).

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

1066703320 is a wasteful number, since it uses less digits than its factorization.

1066703320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403587 (or 1403583 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 1066703320 is about 32660.4243695638. The cubic root of 1066703320 is about 1021.7576129720.

Adding to 1066703320 its reverse (233076601), we get a palindrome (1299779921).

The spelling of 1066703320 in words is "one billion, sixty-six million, seven hundred three thousand, three hundred twenty".