1066320852 has 24 divisors (see below), whose sum is σ = 2634440256. Its totient is φ = 334531968.

The previous prime is 1066320839. The next prime is 1066320877. The reversal of 1066320852 is 2580236601.

It is a super-2 number, since 2×1066320852² = 2274080318820011808, 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 7 ways as a sum of consecutive naturals, for example, 2613328 + ... + 2613735.

It is an arithmetic number, because the mean of its divisors is an integer number (109768344).

Almost surely, 2^1066320852 is an apocalyptic number.

1066320852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1066320852 is an abundant number, since it is smaller than the sum of its proper divisors (1568119404).

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

1066320852 is a wasteful number, since it uses less digits than its factorization.

1066320852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5227087 (or 5227085 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1066320852 is about 32654.5686237010. The cubic root of 1066320852 is about 1021.6354808231.

The spelling of 1066320852 in words is "one billion, sixty-six million, three hundred twenty thousand, eight hundred fifty-two".