6666650045 has 64 divisors (see below), whose sum is σ = 9459037440. Its totient is φ = 4456550400.

The previous prime is 6666650017. The next prime is 6666650069. The reversal of 6666650045 is 5400566666.

It is not a de Polignac number, because 6666650045 - 2¹² = 6666645949 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6666649978 and 6666650005.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 10208939 + ... + 10209591.

It is an arithmetic number, because the mean of its divisors is an integer number (147797460).

Almost surely, 2^6666650045 is an apocalyptic number.

It is an amenable number.

6666650045 is a deficient number, since it is larger than the sum of its proper divisors (2792387395).

6666650045 is a wasteful number, since it uses less digits than its factorization.

6666650045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926.

The product of its (nonzero) digits is 777600, while the sum is 44.

The square root of 6666650045 is about 81649.5563062041. The cubic root of 6666650045 is about 1882.0704936020.

The spelling of 6666650045 in words is "six billion, six hundred sixty-six million, six hundred fifty thousand, forty-five".