2075216666 has 8 divisors (see below), whose sum is σ = 3119853024. Its totient is φ = 1035265660.

The previous prime is 2075216603. The next prime is 2075216729. The reversal of 2075216666 is 6666125702.

It is an interprime number because it is at equal distance from previous prime (2075216603) and next prime (2075216729).

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

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 1170230 + ... + 1172001.

It is an arithmetic number, because the mean of its divisors is an integer number (389981628).

Almost surely, 2^2075216666 is an apocalyptic number.

2075216666 is a deficient number, since it is larger than the sum of its proper divisors (1044636358).

2075216666 is a wasteful number, since it uses less digits than its factorization.

2075216666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342676.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 2075216666 is about 45554.5460519584. The cubic root of 2075216666 is about 1275.5215943050.

The spelling of 2075216666 in words is "two billion, seventy-five million, two hundred sixteen thousand, six hundred sixty-six".