666066488896 has 56 divisors (see below), whose sum is σ = 1326033802080. Its totient is φ = 331948480512.

The previous prime is 666066488873. The next prime is 666066488929. The reversal of 666066488896 is 698884660666.

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, 94891275 + ... + 94898293.

Almost surely, 2^666066488896 is an apocalyptic number.

It is an amenable number.

666066488896 is a deficient number, since it is larger than the sum of its proper divisors (659967313184).

666066488896 is a wasteful number, since it uses less digits than its factorization.

666066488896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11651 (or 11641 counting only the distinct ones).

The product of its (nonzero) digits is 859963392, while the sum is 73.

The spelling of 666066488896 in words is "six hundred sixty-six billion, sixty-six million, four hundred eighty-eight thousand, eight hundred ninety-six".