1066361328 has 80 divisors (see below), whose sum is σ = 3193962240. Its totient is φ = 339996096.

The previous prime is 1066361327. The next prime is 1066361383. The reversal of 1066361328 is 8231636601.

1066361328 is a `hidden beast` number, since 1 + 0 + 6 + 636 + 13 + 2 + 8 = 666.

It is a super-2 number, since 2×1066361328² = 2274252963707847168, 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 = 1066361292 and 1066361301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066361323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43726 + ... + 63597.

It is an arithmetic number, because the mean of its divisors is an integer number (39924528).

Almost surely, 2^1066361328 is an apocalyptic number.

1066361328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1066361328 is an abundant number, since it is smaller than the sum of its proper divisors (2127600912).

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

1066361328 is a wasteful number, since it uses less digits than its factorization.

1066361328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107363 (or 107351 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1066361328 is about 32655.1883779592. The cubic root of 1066361328 is about 1021.6484072621.

Adding to 1066361328 its reverse (8231636601), we get a palindrome (9297997929).

The spelling of 1066361328 in words is "one billion, sixty-six million, three hundred sixty-one thousand, three hundred twenty-eight".