2066542255 has 4 divisors (see below), whose sum is σ = 2479850712. Its totient is φ = 1653233800.

The previous prime is 2066542211. The next prime is 2066542267. The reversal of 2066542255 is 5522456602.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2066542255 - 2¹¹ = 2066540207 is a prime.

It is a super-3 number, since 3×2066542255³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206654221 + ... + 206654230.

It is an arithmetic number, because the mean of its divisors is an integer number (619962678).

Almost surely, 2^2066542255 is an apocalyptic number.

2066542255 is a deficient number, since it is larger than the sum of its proper divisors (413308457).

2066542255 is an equidigital number, since it uses as much as digits as its factorization.

2066542255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413308456.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 2066542255 is about 45459.2372901262. The cubic root of 2066542255 is about 1273.7418844181.

Adding to 2066542255 its reverse (5522456602), we get a palindrome (7588998857).

The spelling of 2066542255 in words is "two billion, sixty-six million, five hundred forty-two thousand, two hundred fifty-five".