2066742606 has 8 divisors (see below), whose sum is σ = 4133485224. Its totient is φ = 688914200.

The previous prime is 2066742589. The next prime is 2066742653. The reversal of 2066742606 is 6062476602.

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

2066742606 is an admirable number.

It is a congruent 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, 172228545 + ... + 172228556.

It is an arithmetic number, because the mean of its divisors is an integer number (516685653).

Almost surely, 2^2066742606 is an apocalyptic number.

2066742606 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.

2066742606 is a wasteful number, since it uses less digits than its factorization.

2066742606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344457106.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 2066742606 is about 45461.4408702584. The cubic root of 2066742606 is about 1273.7830461241.

The spelling of 2066742606 in words is "two billion, sixty-six million, seven hundred forty-two thousand, six hundred six".