1066685039 has 8 divisors (see below), whose sum is σ = 1224128928. Its totient is φ = 910506240.

The previous prime is 1066685021. The next prime is 1066685051. The reversal of 1066685039 is 9305866601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1066685039 - 2⁸ = 1066684783 is a prime.

It is a super-2 number, since 2×1066685039² = 2275633944852863042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066685239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314462 + ... + 317835.

It is an arithmetic number, because the mean of its divisors is an integer number (153016116).

Almost surely, 2^1066685039 is an apocalyptic number.

1066685039 is a deficient number, since it is larger than the sum of its proper divisors (157443889).

1066685039 is an equidigital number, since it uses as much as digits as its factorization.

1066685039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632545.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 1066685039 is about 32660.1445036607. The cubic root of 1066685039 is about 1021.7517760295.

The spelling of 1066685039 in words is "one billion, sixty-six million, six hundred eighty-five thousand, thirty-nine".