666710011716 has 48 divisors (see below), whose sum is σ = 1839200039040. Its totient is φ = 183920002560.

The previous prime is 666710011631. The next prime is 666710011727. The reversal of 666710011716 is 617110017666.

666710011716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 136842805 + ... + 136847676.

It is an arithmetic number, because the mean of its divisors is an integer number (38316667480).

Almost surely, 2^666710011716 is an apocalyptic number.

It is an amenable number.

666710011716 is an abundant number, since it is smaller than the sum of its proper divisors (1172490027324).

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

666710011716 is a wasteful number, since it uses less digits than its factorization.

666710011716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273690524 (or 273690522 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The spelling of 666710011716 in words is "six hundred sixty-six billion, seven hundred ten million, eleven thousand, seven hundred sixteen".