1066303686 has 16 divisors (see below), whose sum is σ = 2437265664. Its totient is φ = 304658184.

The previous prime is 1066303681. The next prime is 1066303757. The reversal of 1066303686 is 6863036601.

1066303686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1066303686² = 2274007101554373192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066303681) 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, 12694050 + ... + 12694133.

It is an arithmetic number, because the mean of its divisors is an integer number (152329104).

Almost surely, 2^1066303686 is an apocalyptic number.

1066303686 is an abundant number, since it is smaller than the sum of its proper divisors (1370961978).

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

1066303686 is a wasteful number, since it uses less digits than its factorization.

1066303686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25388195.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 1066303686 is about 32654.3057804021. The cubic root of 1066303686 is about 1021.6299985805.

The spelling of 1066303686 in words is "one billion, sixty-six million, three hundred three thousand, six hundred eighty-six".