2066666466 has 8 divisors (see below), whose sum is σ = 4133332944. Its totient is φ = 688888820.

The previous prime is 2066666443. The next prime is 2066666467. The reversal of 2066666466 is 6646666602.

It is a sphenic number, since it is the product of 3 distinct primes.

2066666466 is an admirable number.

It is a super-2 number, since 2×2066666466² = 8542220563377858312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2066666467) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 172222200 + ... + 172222211.

It is an arithmetic number, because the mean of its divisors is an integer number (516666618).

Almost surely, 2^2066666466 is an apocalyptic number.

2066666466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2066666466 is a wasteful number, since it uses less digits than its factorization.

2066666466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344444416.

The product of its (nonzero) digits is 2239488, while the sum is 48.

The square root of 2066666466 is about 45460.6034495804. The cubic root of 2066666466 is about 1273.7674036291.

The spelling of 2066666466 in words is "two billion, sixty-six million, six hundred sixty-six thousand, four hundred sixty-six".