2066994906 has 8 divisors (see below), whose sum is σ = 4133989824. Its totient is φ = 688998300.

The previous prime is 2066994887. The next prime is 2066994911. The reversal of 2066994906 is 6094996602.

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

2066994906 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172249570 + ... + 172249581.

It is an arithmetic number, because the mean of its divisors is an integer number (516748728).

Almost surely, 2^2066994906 is an apocalyptic number.

2066994906 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.

2066994906 is a wasteful number, since it uses less digits than its factorization.

2066994906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344499156.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The square root of 2066994906 is about 45464.2156646301. The cubic root of 2066994906 is about 1273.8348768624.

The spelling of 2066994906 in words is "two billion, sixty-six million, nine hundred ninety-four thousand, nine hundred six".