2066280001 has 4 divisors (see below), whose sum is σ = 2175031600. Its totient is φ = 1957528404.

The previous prime is 2066279987. The next prime is 2066280017. The reversal of 2066280001 is 1000826602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2066280001 - 2⁹ = 2066279489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066280071) 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, 54375771 + ... + 54375808.

It is an arithmetic number, because the mean of its divisors is an integer number (543757900).

Almost surely, 2^2066280001 is an apocalyptic number.

It is an amenable number.

2066280001 is a deficient number, since it is larger than the sum of its proper divisors (108751599).

2066280001 is a wasteful number, since it uses less digits than its factorization.

2066280001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108751598.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2066280001 is about 45456.3527023451. The cubic root of 2066280001 is about 1273.6880008461.

The spelling of 2066280001 in words is "two billion, sixty-six million, two hundred eighty thousand, one".