666666667060 has 48 divisors (see below), whose sum is σ = 1401420496896. Its totient is φ = 266396262912.

The previous prime is 666666667019. The next prime is 666666667189. The reversal of 666666667060 is 60766666666.

It is a self number, because there is not a number n which added to its sum of digits gives 666666667060.

It is a congruent number.

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, 134216697 + ... + 134221663.

It is an arithmetic number, because the mean of its divisors is an integer number (29196260352).

Almost surely, 2^666666667060 is an apocalyptic number.

It is an amenable number.

666666667060 is an abundant number, since it is smaller than the sum of its proper divisors (734753829836).

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

666666667060 is a wasteful number, since it uses less digits than its factorization.

666666667060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10432 (or 10430 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 61.

The spelling of 666666667060 in words is "six hundred sixty-six billion, six hundred sixty-six million, six hundred sixty-seven thousand, sixty".