667104055 has 16 divisors (see below), whose sum is σ = 851938560. Its totient is φ = 499727872.

The previous prime is 667104049. The next prime is 667104073. The reversal of 667104055 is 550401766.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 667104055 - 2³ = 667104047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 667104055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3175 + ... + 36664.

It is an arithmetic number, because the mean of its divisors is an integer number (53246160).

Almost surely, 2^667104055 is an apocalyptic number.

667104055 is a deficient number, since it is larger than the sum of its proper divisors (184834505).

667104055 is a wasteful number, since it uses less digits than its factorization.

667104055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40058.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 667104055 is about 25828.3575745730. The cubic root of 667104055 is about 873.7714699224.

The spelling of 667104055 in words is "six hundred sixty-seven million, one hundred four thousand, fifty-five".