1066382639 has 12 divisors (see below), whose sum is σ = 1242107064. Its totient is φ = 912847824.

The previous prime is 1066382623. The next prime is 1066382641. The reversal of 1066382639 is 9362836601.

It is not a de Polignac number, because 1066382639 - 2⁴ = 1066382623 is a prime.

It is a super-2 number, since 2×1066382639² = 2274343865521208642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066382639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066382659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24737 + ... + 52389.

It is an arithmetic number, because the mean of its divisors is an integer number (103508922).

Almost surely, 2^1066382639 is an apocalyptic number.

1066382639 is a deficient number, since it is larger than the sum of its proper divisors (175724425).

1066382639 is an equidigital number, since it uses as much as digits as its factorization.

1066382639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28454 (or 28447 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 1066382639 is about 32655.5146797597. The cubic root of 1066382639 is about 1021.6552130241.

The spelling of 1066382639 in words is "one billion, sixty-six million, three hundred eighty-two thousand, six hundred thirty-nine".