666016608 has 48 divisors (see below), whose sum is σ = 1759469040. Its totient is φ = 220586496.

The previous prime is 666016601. The next prime is 666016609. The reversal of 666016608 is 806610666.

666016608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666016601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7023 + ... + 37166.

It is an arithmetic number, because the mean of its divisors is an integer number (36655605).

Almost surely, 2^666016608 is an apocalyptic number.

It is an amenable number.

666016608 is an abundant number, since it is smaller than the sum of its proper divisors (1093452432).

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

666016608 is a wasteful number, since it uses less digits than its factorization.

666016608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44359 (or 44351 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 666016608 is about 25807.2975725859. The cubic root of 666016608 is about 873.2964331216.

The spelling of 666016608 in words is "six hundred sixty-six million, sixteen thousand, six hundred eight".