667667677216 has 48 divisors (see below), whose sum is σ = 1465044809760. Its totient is φ = 297659888640.

The previous prime is 667667677211. The next prime is 667667677223. The reversal of 667667677216 is 612776766766.

It is not an unprimeable number, because it can be changed into a prime (667667677211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32287830 + ... + 32308501.

It is an arithmetic number, because the mean of its divisors is an integer number (30521766870).

Almost surely, 2^667667677216 is an apocalyptic number.

It is an amenable number.

667667677216 is an abundant number, since it is smaller than the sum of its proper divisors (797377132544).

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

667667677216 is a wasteful number, since it uses less digits than its factorization.

667667677216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64596377 (or 64596369 counting only the distinct ones).

The product of its digits is 224042112, while the sum is 67.

The spelling of 667667677216 in words is "six hundred sixty-seven billion, six hundred sixty-seven million, six hundred seventy-seven thousand, two hundred sixteen".