66014341256 has 8 divisors (see below), whose sum is σ = 123776889870. Its totient is φ = 33007170624.

The previous prime is 66014341207. The next prime is 66014341259. The reversal of 66014341256 is 65214341066.

66014341256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 65928778756 + 85562500 = 256766^2 + 9250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (66014341259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4125896321 + ... + 4125896336.

Almost surely, 2^66014341256 is an apocalyptic number.

It is an amenable number.

66014341256 is a deficient number, since it is larger than the sum of its proper divisors (57762548614).

66014341256 is a wasteful number, since it uses less digits than its factorization.

66014341256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251792663 (or 8251792659 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 66014341256 in words is "sixty-six billion, fourteen million, three hundred forty-one thousand, two hundred fifty-six".