667216376027 has 8 divisors (see below), whose sum is σ = 683534050080. Its totient is φ = 650900802240.

The previous prime is 667216376017. The next prime is 667216376039. The reversal of 667216376027 is 720673612766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 667216376027 - 2³² = 662921408731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 667216376027.

It is not an unprimeable number, because it can be changed into a prime (667216376017) 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, 127874 + ... + 1162232.

It is an arithmetic number, because the mean of its divisors is an integer number (85441756260).

Almost surely, 2^667216376027 is an apocalyptic number.

667216376027 is a deficient number, since it is larger than the sum of its proper divisors (16317674053).

667216376027 is a wasteful number, since it uses less digits than its factorization.

667216376027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050133.

The product of its (nonzero) digits is 5334336, while the sum is 53.

The spelling of 667216376027 in words is "six hundred sixty-seven billion, two hundred sixteen million, three hundred seventy-six thousand, twenty-seven".