2066666708 has 48 divisors (see below), whose sum is σ = 3938457600. Its totient is φ = 945289440.

The previous prime is 2066666671. The next prime is 2066666711. The reversal of 2066666708 is 8076666602.

It is a super-2 number, since 2×2066666708² = 8542222563911114528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1740491 + ... + 1741677.

It is an arithmetic number, because the mean of its divisors is an integer number (82051200).

Almost surely, 2^2066666708 is an apocalyptic number.

It is an amenable number.

2066666708 is a deficient number, since it is larger than the sum of its proper divisors (1871790892).

2066666708 is a wasteful number, since it uses less digits than its factorization.

2066666708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 2066666708 is about 45460.6061112256. The cubic root of 2066666708 is about 1273.7674533472.

The spelling of 2066666708 in words is "two billion, sixty-six million, six hundred sixty-six thousand, seven hundred eight".