4065566466 has 32 divisors (see below), whose sum is σ = 8780143680. Its totient is φ = 1247580864.

The previous prime is 4065566387. The next prime is 4065566501. The reversal of 4065566466 is 6646655604.

It is a happy number.

4065566466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 40776 + ... + 98963.

It is an arithmetic number, because the mean of its divisors is an integer number (274379490).

Almost surely, 2^4065566466 is an apocalyptic number.

4065566466 is an abundant number, since it is smaller than the sum of its proper divisors (4714577214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4065566466 is a wasteful number, since it uses less digits than its factorization.

4065566466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140130.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The square root of 4065566466 is about 63761.7947206633. The cubic root of 4065566466 is about 1596.0274451785.

The spelling of 4065566466 in words is "four billion, sixty-five million, five hundred sixty-six thousand, four hundred sixty-six".