67866630666 has 16 divisors (see below), whose sum is σ = 135739152000. Its totient is φ = 22621228448.

The previous prime is 67866630659. The next prime is 67866630683. The reversal of 67866630666 is 66603666876.

67866630666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87891 + ... + 378758.

It is an arithmetic number, because the mean of its divisors is an integer number (8483697000).

Almost surely, 2^67866630666 is an apocalyptic number.

67866630666 is an abundant number, since it is smaller than the sum of its proper divisors (67872521334).

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

67866630666 is a wasteful number, since it uses less digits than its factorization.

67866630666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490893.

The product of its (nonzero) digits is 47029248, while the sum is 60.

The spelling of 67866630666 in words is "sixty-seven billion, eight hundred sixty-six million, six hundred thirty thousand, six hundred sixty-six".