1066382620 has 24 divisors (see below), whose sum is σ = 2241285984. Its totient is φ = 426194496.

The previous prime is 1066382617. The next prime is 1066382621. The reversal of 1066382620 is 262836601.

It is a happy number.

It is a super-2 number, since 2×1066382620² = 2274343784476128800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066382621) 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 7 ways as a sum of consecutive naturals, for example, 2662 + ... + 46258.

It is an arithmetic number, because the mean of its divisors is an integer number (93386916).

Almost surely, 2^1066382620 is an apocalyptic number.

1066382620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066382620 is an abundant number, since it is smaller than the sum of its proper divisors (1174903364).

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

1066382620 is a wasteful number, since it uses less digits than its factorization.

1066382620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44829 (or 44827 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1066382620 is about 32655.5143888440. The cubic root of 1066382620 is about 1021.6552069564.

The spelling of 1066382620 in words is "one billion, sixty-six million, three hundred eighty-two thousand, six hundred twenty".