4066707040668 has 48 divisors (see below), whose sum is σ = 10543607212320. Its totient is φ = 1355531385600.

The previous prime is 4066707040667. The next prime is 4066707040691. The reversal of 4066707040668 is 8660407076604.

It is a happy number.

4066707040668 is a `hidden beast` number, since 40 + 6 + 6 + 70 + 70 + 406 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066707040661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3531058 + ... + 4538918.

It is an arithmetic number, because the mean of its divisors is an integer number (219658483590).

Almost surely, 2^{4066707040668} is an apocalyptic number.

It is an amenable number.

4066707040668 is an abundant number, since it is smaller than the sum of its proper divisors (6476900171652).

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

4066707040668 is a wasteful number, since it uses less digits than its factorization.

4066707040668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045235 (or 1045227 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 4066707040668 in words is "four trillion, sixty-six billion, seven hundred seven million, forty thousand, six hundred sixty-eight".