6667206403648 has 112 divisors (see below), whose sum is σ = 15917234713600. Its totient is φ = 2706788897280.

The previous prime is 6667206403621. The next prime is 6667206403657. The reversal of 6667206403648 is 8463046027666.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 6667206403592 and 6667206403601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195852613 + ... + 195886651.

Almost surely, 2^{6667206403648} is an apocalyptic number.

It is an amenable number.

6667206403648 is an abundant number, since it is smaller than the sum of its proper divisors (9250028309952).

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

6667206403648 is a wasteful number, since it uses less digits than its factorization.

6667206403648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57088 (or 57078 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 58.

The spelling of 6667206403648 in words is "six trillion, six hundred sixty-seven billion, two hundred six million, four hundred three thousand, six hundred forty-eight".