1066307320 has 64 divisors (see below), whose sum is σ = 2735752320. Its totient is φ = 370550784.

The previous prime is 1066307317. The next prime is 1066307321. The reversal of 1066307320 is 237036601.

It is a super-2 number, since 2×1066307320² = 2274022601371164800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066307321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51472 + ... + 69151.

It is an arithmetic number, because the mean of its divisors is an integer number (42746130).

Almost surely, 2^1066307320 is an apocalyptic number.

1066307320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066307320 is an abundant number, since it is smaller than the sum of its proper divisors (1669445000).

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

1066307320 is a wasteful number, since it uses less digits than its factorization.

1066307320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120664 (or 120660 counting only the distinct ones).

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

The square root of 1066307320 is about 32654.3614238588. The cubic root of 1066307320 is about 1021.6311591627.

The spelling of 1066307320 in words is "one billion, sixty-six million, three hundred seven thousand, three hundred twenty".