666055016 has 32 divisors (see below), whose sum is σ = 1366822080. Its totient is φ = 301766400.

The previous prime is 666055007. The next prime is 666055021. The reversal of 666055016 is 610550666.

666055016 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 7 ways as a sum of consecutive naturals, for example, 15200 + ... + 39536.

It is an arithmetic number, because the mean of its divisors is an integer number (42713190).

Almost surely, 2^666055016 is an apocalyptic number.

It is an amenable number.

666055016 is an abundant number, since it is smaller than the sum of its proper divisors (700767064).

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

666055016 is a wasteful number, since it uses less digits than its factorization.

666055016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24665 (or 24661 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 666055016 is about 25808.0416924648. The cubic root of 666055016 is about 873.3132199526.

The spelling of 666055016 in words is "six hundred sixty-six million, fifty-five thousand, sixteen".