2066667206 has 4 divisors (see below), whose sum is σ = 3100000812. Its totient is φ = 1033333602.

The previous prime is 2066667179. The next prime is 2066667217. The reversal of 2066667206 is 6027666602.

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

It is a super-2 number, since 2×2066667206² = 8542226680711692872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516666800 + ... + 516666803.

It is an arithmetic number, because the mean of its divisors is an integer number (775000203).

Almost surely, 2^2066667206 is an apocalyptic number.

2066667206 is a deficient number, since it is larger than the sum of its proper divisors (1033333606).

2066667206 is a wasteful number, since it uses less digits than its factorization.

2066667206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033333605.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 2066667206 is about 45460.6115884949. The cubic root of 2066667206 is about 1273.7675556594.

The spelling of 2066667206 in words is "two billion, sixty-six million, six hundred sixty-seven thousand, two hundred six".