2066716772 has 12 divisors (see below), whose sum is σ = 3638944176. Its totient is φ = 1027018440.

The previous prime is 2066716753. The next prime is 2066716787. The reversal of 2066716772 is 2776176602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1584254 + ... + 1585557.

It is an arithmetic number, because the mean of its divisors is an integer number (303245348).

Almost surely, 2^2066716772 is an apocalyptic number.

It is an amenable number.

2066716772 is a deficient number, since it is larger than the sum of its proper divisors (1572227404).

2066716772 is a wasteful number, since it uses less digits than its factorization.

2066716772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169978 (or 3169976 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 2066716772 is about 45461.1567384729. The cubic root of 2066716772 is about 1273.7777387306. Note that the first 4 decimals are identical.

The spelling of 2066716772 in words is "two billion, sixty-six million, seven hundred sixteen thousand, seven hundred seventy-two".