667648560014 has 8 divisors (see below), whose sum is σ = 1024762906200. Its totient is φ = 326060924616.

The previous prime is 667648560001. The next prime is 667648560067. The reversal of 667648560014 is 410065846766.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3881677589 + ... + 3881677760.

It is an arithmetic number, because the mean of its divisors is an integer number (128095363275).

Almost surely, 2^667648560014 is an apocalyptic number.

667648560014 is a deficient number, since it is larger than the sum of its proper divisors (357114346186).

667648560014 is a wasteful number, since it uses less digits than its factorization.

667648560014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7763355394.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 667648560014 in words is "six hundred sixty-seven billion, six hundred forty-eight million, five hundred sixty thousand, fourteen".