4566666012 has 12 divisors (see below), whose sum is σ = 10655554056. Its totient is φ = 1522222000.

The previous prime is 4566665993. The next prime is 4566666023. The reversal of 4566666012 is 2106666654.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190277739 + ... + 190277762.

It is an arithmetic number, because the mean of its divisors is an integer number (887962838).

Almost surely, 2^4566666012 is an apocalyptic number.

It is an amenable number.

4566666012 is an abundant number, since it is smaller than the sum of its proper divisors (6088888044).

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

4566666012 is a wasteful number, since it uses less digits than its factorization.

4566666012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380555508 (or 380555506 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 4566666012 is about 67577.1115985287. Note that the first 3 decimals coincide. The cubic root of 4566666012 is about 1659.0765188170.

The spelling of 4566666012 in words is "four billion, five hundred sixty-six million, six hundred sixty-six thousand, twelve".