2066262547 has 4 divisors (see below), whose sum is σ = 2066676040. Its totient is φ = 2065849056.

The previous prime is 2066262493. The next prime is 2066262563. The reversal of 2066262547 is 7452626602.

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

It is a cyclic number.

It is not a de Polignac number, because 2066262547 - 2¹⁵ = 2066229779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066262587) 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, 199158 + ... + 209275.

It is an arithmetic number, because the mean of its divisors is an integer number (516669010).

Almost surely, 2^2066262547 is an apocalyptic number.

2066262547 is a deficient number, since it is larger than the sum of its proper divisors (413493).

2066262547 is an equidigital number, since it uses as much as digits as its factorization.

2066262547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413492.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 2066262547 is about 45456.1607155730. The cubic root of 2066262547 is about 1273.6844145278.

The spelling of 2066262547 in words is "two billion, sixty-six million, two hundred sixty-two thousand, five hundred forty-seven".