2066542367 has 4 divisors (see below), whose sum is σ = 2133205056. Its totient is φ = 1999879680.

The previous prime is 2066542343. The next prime is 2066542381. The reversal of 2066542367 is 7632456602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7632456602 = 2 ⋅3816228301.

It is a cyclic number.

It is not a de Polignac number, because 2066542367 - 2¹⁴ = 2066525983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066542067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33331298 + ... + 33331359.

It is an arithmetic number, because the mean of its divisors is an integer number (533301264).

Almost surely, 2^2066542367 is an apocalyptic number.

2066542367 is a deficient number, since it is larger than the sum of its proper divisors (66662689).

2066542367 is an equidigital number, since it uses as much as digits as its factorization.

2066542367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66662688.

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 2066542367 is about 45459.2385219990. The cubic root of 2066542367 is about 1273.7419074291.

Adding to 2066542367 its reverse (7632456602), we get a palindrome (9698998969).

The spelling of 2066542367 in words is "two billion, sixty-six million, five hundred forty-two thousand, three hundred sixty-seven".