4245500666 has 16 divisors (see below), whose sum is σ = 6968183328. Its totient is φ = 1923939600.

The previous prime is 4245500621. The next prime is 4245500687. The reversal of 4245500666 is 6660055424.

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 7 ways as a sum of consecutive naturals, for example, 284225 + ... + 298788.

It is an arithmetic number, because the mean of its divisors is an integer number (435511458).

Almost surely, 2^4245500666 is an apocalyptic number.

4245500666 is a deficient number, since it is larger than the sum of its proper divisors (2722682662).

4245500666 is a wasteful number, since it uses less digits than its factorization.

4245500666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583357.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 4245500666 is about 65157.5065974750. The cubic root of 4245500666 is about 1619.2340872154.

The spelling of 4245500666 in words is "four billion, two hundred forty-five million, five hundred thousand, six hundred sixty-six".