591066 has 24 divisors (see below), whose sum is σ = 1463904. Its totient is φ = 168840.

The previous prime is 591061. The next prime is 591067. The reversal of 591066 is 660195.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (591061) 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, 2220 + ... + 2471.

It is an arithmetic number, because the mean of its divisors is an integer number (60996).

2⁵⁹¹⁰⁶⁶ is an apocalyptic number.

591066 is an abundant number, since it is smaller than the sum of its proper divisors (872838).

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

591066 is a wasteful number, since it uses less digits than its factorization.

591066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706 (or 4703 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 591066 is about 768.8081685310. The cubic root of 591066 is about 83.9225476545.

The spelling of 591066 in words is "five hundred ninety-one thousand, sixty-six".