667376531267055 has 64 divisors (see below), whose sum is σ = 1123496738035200. Its totient is φ = 337790365606400.

The previous prime is 667376531266961. The next prime is 667376531267081. The reversal of 667376531267055 is 550762135673766.

It is a de Polignac number, because none of the positive numbers 2^k-667376531267055 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189484957 + ... + 192974873.

It is an arithmetic number, because the mean of its divisors is an integer number (17554636531800).

Almost surely, 2^{667376531267055} is an apocalyptic number.

667376531267055 is a deficient number, since it is larger than the sum of its proper divisors (456120206768145).

667376531267055 is a wasteful number, since it uses less digits than its factorization.

667376531267055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497464.

The product of its (nonzero) digits is 1000188000, while the sum is 69.

The spelling of 667376531267055 in words is "six hundred sixty-seven trillion, three hundred seventy-six billion, five hundred thirty-one million, two hundred sixty-seven thousand, fifty-five".