2066539086 has 24 divisors (see below), whose sum is σ = 4479841080. Its totient is φ = 688486416.

The previous prime is 2066539067. The next prime is 2066539087. The reversal of 2066539086 is 6809356602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066539087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6616 + ... + 64628.

It is an arithmetic number, because the mean of its divisors is an integer number (186660045).

Almost surely, 2^2066539086 is an apocalyptic number.

2066539086 is an abundant number, since it is smaller than the sum of its proper divisors (2413301994).

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

2066539086 is a wasteful number, since it uses less digits than its factorization.

2066539086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60000 (or 59997 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 2066539086 is about 45459.2024347106. The cubic root of 2066539086 is about 1273.7412333322.

The spelling of 2066539086 in words is "two billion, sixty-six million, five hundred thirty-nine thousand, eighty-six".