2066680734 has 8 divisors (see below), whose sum is σ = 4133361480. Its totient is φ = 688893576.

The previous prime is 2066680717. The next prime is 2066680741. The reversal of 2066680734 is 4370866602.

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

2066680734 is an admirable number.

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 in 3 ways as a sum of consecutive naturals, for example, 172223389 + ... + 172223400.

It is an arithmetic number, because the mean of its divisors is an integer number (516670185).

Almost surely, 2^2066680734 is an apocalyptic number.

2066680734 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.

2066680734 is a wasteful number, since it uses less digits than its factorization.

2066680734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344446794.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 2066680734 is about 45460.7603763949. The cubic root of 2066680734 is about 1273.7703349313.

The spelling of 2066680734 in words is "two billion, sixty-six million, six hundred eighty thousand, seven hundred thirty-four".